SDI Open Water Scuba Diver

$400

Your entry into the underwater world. Learn everything you need to dive with a buddy through convenient eLearning academics, confined water skill development, and open water training dives, earning a certification recognized worldwide.

Advanced Scuba Diver

$800

The SDI Advanced Diver program transitions divers from novice to advanced, building comfort and competence through in-depth training in four specialty areas of your choice. It's a transformative step that prepares you for more challenging and rewarding diving experiences.

Rescue Diver

$500

Gain the confidence and skills to become the diver everyone relies on. You'll master self-rescue, assisting panicked or distressed divers, accident prevention and management, and essential emergency response, skills that make every dive safer.

Master Scuba Diver

$950

The pinnacle of non-leadership diver ratings. Earn it by completing four specialty courses of your choice plus the SDI Rescue Diver course and logging 50 dives, demonstrating a deep commitment to diving excellence.

SDI Snorkeler

$100

Learn the fundamentals of snorkeling: equipment selection, surface swimming, breath-hold techniques, and safety practices. A great way for the whole family to start exploring the underwater world from the surface.

Scuba Discovery

$50

Your easy first dive experience. Feel the magic of breathing underwater for the first time under the close supervision of an SDI professional, learning the basics of scuba gear before a calm, safe first descent into a new world.

Future Buddies Program

$100

A fun, supervised introduction to scuba designed for kids, giving young future divers a safe taste of breathing underwater and basic scuba skills in a pool environment while building confidence and excitement for diving.

SDI Shallow Water Scuba Diver

An entry-level certification for divers using a shallow water scuba system, ideal for tasks like boat hull cleaning or golf ball recovery. Learn to safely conduct shallow open water dives with this specialized equipment without direct supervision.

Indoor Diver

Deep indoor pools are becoming popular dive destinations around the world. This introductory course teaches you to complete dives in a climate-controlled deep pool facility, a unique experience for new and seasoned divers alike.

Supervised Diver

Earn a certification to dive under the direct supervision of a dive professional. Covering the core academics and in-water skills of scuba at a supervised level, it is a great stepping stone toward full Open Water certification.

Refresher Course

$200

Been out of the water for a while? The SDI Inactive Diver/Refresher program reviews and updates your scuba knowledge and skills with an instructor, getting you comfortable and confident before you start diving again.

Advanced Adventure Diver

$450

Ready to expand your knowledge after Open Water but want to see what's out there first? The SDI Advanced Adventure Diver course gives you an overview of five different SDI specialties, including the foundational Deep and Navigation dives, with each dive able to count toward full specialty certification.

Advanced Buoyancy Diver

$200

Master precise, reliable buoyancy control so you can nail your safety stops, avoid uncontrolled ascents, and hover effortlessly above the reef. You'll refine trim, weighting, streamlining, and propulsion to reduce effort and gas consumption while protecting the marine environment.

Air Fill Station Technician

$300

Master the essential skill of safely filling compressed gas cylinders with air. This course covers the causes of fill-station accidents, the risks and hazards of compressed gas cylinders, breathing-grade air quality, and the safe operating practices every fill station operator needs.

Altitude Diver

$200

Learn the procedures and knowledge needed to dive safely at altitudes 300 metres/1000 feet or more above sea level. Perfect for divers who want to safely explore high mountain lakes and other elevated dive sites.

Boat Diver

$200

From small private vessels to large live-aboards, the SDI Boat Diver course covers the how-to's of boat diving: boarding, proper boat etiquette, entries and exits, and the various types of dive boats you may encounter around the world.

Computer Diver

$200

Expand your knowledge in the use of your personal dive computer, including no-decompression limits, ascent rates, and computer functions. Ideal for divers originally trained on dive tables who want to get the most from modern dive computers.

Computer Nitrox Diver

$200

Extend your bottom time and add flexibility to your dive profiles by breathing oxygen-enriched air. You'll learn to analyze and log your gas mix, plan with popular blends like Nx32 and Nx36, and dive nitrox safely using your dive computer.

Deep Diver

$200

A must for any diver wishing to explore a little more and go a little deeper. Beautiful wall dives, shipwrecks, and creatures that don't come into the shallows lie just beyond open water limits, and this course teaches you to plan and execute those deeper dives safely.

Diver Propulsion Vehicle Diver

$200

Learn to fly through the water with a Diver Propulsion Vehicle. This course covers the skills, knowledge, planning, procedures, and hazards of DPV use so you can safely cover far more territory on every dive.

Drift Diver

$200

Let the current do the work. The SDI Drift Diver course teaches the planning, procedures, and techniques for safely diving in currents, staying with your group, and using the moving water to enjoy relaxed, far-ranging dives.

Dry Suit Diver

$200

Open up a whole new world of cooler-water diving by staying warm and dry. You'll develop the knowledge and skills to properly select and use a dry suit, extending your diving season and letting you comfortably explore marine-life-rich destinations year round.

Equipment Specialist

$200

Take an in-depth look at how your dive equipment works. This course covers general repair and maintenance of exposure suits, BCDs, regulators, and accessories, so you can perform basic field fixes and never lose a dive to an equipment malfunction.

SDI Full Face Mask Diver

$200

Discover the comfort and capability of diving a full face mask: a wider field of vision, no jaw fatigue, and the option for underwater communications. This course covers mask selection, fitting, and the skills to dive one safely.

Ice Diver

$200

Experience the serenity and beauty of diving beneath the ice and enjoy sport diving year round. This course teaches the special hazards, planning, equipment, and procedures required to safely execute an ice dive.

Marine Ecosystems Awareness : Academics Only

The knowledge-only version of the Marine Ecosystems Awareness program: learn about ocean ecosystems, marine life, and conservation entirely through academic study, with no in-water training required.

Marine EcoSystems Awareness Diver

Become a more environmentally aware diver by learning about marine ecosystems, the life they support, and the threats they face. This specialty combines academic learning with dives focused on observing and protecting the underwater environment.

Marine Ecosystems Awareness Snorkeler

Explore and understand marine ecosystems from the surface. This program pairs marine environment and conservation education with snorkeling, ideal for anyone who wants to appreciate and protect the ocean without scuba equipment.

Night-Limited Visibility Diver

$200

The underwater world transforms after dark. This course teaches dive light selection, communication, navigation, and buddy procedures for diving safely and confidently at night or in limited visibility conditions.

Research Diver

Combine diving with underwater science. The SDI Research Diver course introduces the techniques and procedures used to plan and conduct underwater research projects, from data collection to survey methods.

Search and Recovery Diver

$200

Learn to find and recover lost objects underwater. This course covers search patterns, dive planning, limited visibility techniques, and the safe use of lift bags and rigging to bring items back to the surface.

Shore and Beach Diver

$200

Some of the best diving starts right from the beach. Learn to evaluate entry and exit points, read surf and currents, plan shore dives, and handle the unique challenges of diving without a boat.

SDI Sidemount Diver

$400

Learn to dive with cylinders mounted at your sides instead of on your back for improved trim, streamlining, and easy access to your valves and regulators. The course covers sidemount equipment configuration, gas management in independent cylinders, and in-water technique.

Solo Diver

$400

One of SDI's signature courses, teaching experienced divers the mindset, planning, and redundant equipment skills needed to safely dive independently or to be a more self-reliant dive buddy. A challenging course for seasoned divers who want true self-sufficiency.

U/W Hunter and Collector

Learn responsible, legal, and safe techniques for hunting and collecting underwater, from game identification and local regulations to the specialized equipment and skills used to take game or collect specimens while respecting the environment.

Underwater Archaeology Diver level I

An introduction to underwater archaeology for divers: learn how submerged cultural and historical sites are located, documented, and preserved, and the ethics and non-intrusive techniques for diving them responsibly.

Underwater Naturalist Diver

Become a keener observer of the underwater world. This course introduces aquatic ecosystems, marine life identification, and animal interactions, teaching you to dive with minimal impact while getting more out of every dive.

Underwater Navigation Diver

$200

Never wonder where the boat is again. Learn compass and natural navigation techniques, distance estimation, and search patterns so you can confidently find your way underwater and back to your exit point.

Underwater Photography Diver

$200

Learn the equipment, techniques, and procedures for taking great underwater photographs. Bring back memories of your underwater adventures to share with family and friends while maintaining safety and good buoyancy around your subjects.

Underwater Video Diver

$200

Capture your dives in motion. This course introduces underwater video equipment, shooting techniques, lighting, and editing basics so you can produce footage that brings the underwater world home with you.

Wreck Diver

$200

Shipwrecks are time capsules waiting to be explored. The SDI Wreck Diver course teaches wreck evaluation, hazard awareness, navigation, and the planning and techniques for safely diving on wrecks.

Wreck Limited Penetration Diver

$300

Take your wreck diving inside the light zone. Building on external wreck diving skills, this course teaches guideline use, gas planning, and the procedures for safe, limited penetration into shipwrecks within the ambient light zone.

Junior Indoor Diver

The junior version of the SDI Indoor Diver course introduces young divers to scuba in a deep indoor pool, a climate-controlled, confidence-building environment that is perfect for a first taste of real diving.

SDI Junior Open Water Scuba Diver

$400

Young divers earn a real scuba certification through the same academic and in-water training as the Open Water course, diving within age-appropriate limits alongside a certified adult. The perfect start to a lifetime of underwater adventure.

Junior Advanced Adventure Diver

$450

Young divers sample five different SDI specialties, including the foundational Deep and Navigation dives, under age-appropriate limits and supervision. A great way for junior divers to discover where they want to take their diving next.

Junior Advanced Scuba Diver

$800

The junior version of the SDI Advanced Diver program lets young divers build comfort and competence through training in multiple specialty areas, advancing their skills within age-appropriate limits and supervision requirements.

Junior Rescue Diver

$500

Young divers learn accident prevention, stress management, self-rescue, and how to assist other divers in trouble. This challenging, rewarding course builds the safety mindset and life-saving skills that make junior divers reliable buddies.

Junior Divemaster

An introduction to dive leadership for motivated young divers, developing advanced dive skills, knowledge, and professionalism under instructor supervision as a head start toward future professional-level training.

Nitrox Diver

$300

An entry-level course for divers who want to use enriched air nitrox as a breathing gas to extend no-decompression limits at depth. More bottom time means more time to explore on every dive.

Intro To Tech

$400

An introduction to technical diving that sharpens your dive planning, in-water skills, and gear streamlining in a controlled, fun learning environment. The perfect bridge from recreational diving into technical training.

TDI Sidemount Diver

$500

Learn to configure and dive sidemount cylinders instead of a traditional back-mounted setup, gaining redundancy, streamlining, and easier cylinder handling. A great platform for divers headed toward technical and overhead-environment training.

Advanced Nitrox Diver

$550

Qualify to use enriched air nitrox from EAN 21 up to 100 percent oxygen to a maximum depth of 40 metres/130 feet on no-decompression dives. Often taught alongside Decompression Procedures, this course is the foundation of a technical diving career and a must for rebreather divers.

Decompression Procedures Diver

$650

Break free of no-decompression limits with training in planned, staged decompression diving to a maximum depth of 45 metres/150 feet. Combined with Advanced Nitrox, this course forms the foundation of all other technical diving courses.

TDI Helitrox Diver

$650

Learn to plan and conduct staged decompression dives to 45 metres/150 feet while using helium in your breathing mix to reduce inert gas narcosis. Divers may use nitrox and helium mixes up to 35 percent helium, plus up to 100 percent oxygen for decompression.

Extended Range Diver

$650

Learn the proper techniques, equipment requirements, and hazards of deep air diving for staged decompression dives to 55 metres/180 feet. Ideal for spectacular deep sites in parts of the world where helium is scarce or unavailable.

Trimix Diver

$800

Go deeper with less narcosis by adding helium to your breathing gas. The Trimix Diver course is the gateway to the deep wrecks and cave systems you've read about, teaching you to plan and execute trimix dives beyond air diving depths.

Advanced Trimix Diver

$950

The top level of open circuit training, qualifying divers to reach depths as deep as 100 metres/330 feet using hypoxic trimix. One of the most informative and challenging TDI courses, it puts you among the most elite open circuit divers in the world.

Technical DPV Diver

$400

Master the skills, planning, and procedures for using diver propulsion vehicles on technical dives. Learn to extend your range while managing and minimizing the hazards unique to DPV diving.

O2ptima Air Diluent Diver

Your first step into closed circuit rebreather diving on the Dive Rite O2ptima, and your first truly silent dive experience. Learn all the skills needed to conduct no-decompression CCR dives to a maximum depth of 30 metres/100 feet using air diluent.

O2ptima Air Diluent Decompression Diver

Take your Dive Rite O2ptima rebreather into staged decompression diving, with training to conduct decompression CCR dives to a maximum depth of 40 metres/130 feet using air diluent. The next step in extending your bottom time and depth range on the unit.

O2ptima Helitrox Decompression Diver

Add helium to your Dive Rite O2ptima diving to reduce narcosis on formal decompression dives to a maximum of 45 metres/150 feet. Divers use helitrox diluent with up to 35 percent helium and up to 100 percent oxygen for decompression.

O2ptima Mixed Gas Diluent Diver

Explore deeper on the Dive Rite O2ptima with training to conduct CCR dives using helium-based diluent to a maximum depth of 60 metres/200 feet. The rebreather maintains an optimum breathing gas at every depth so you can make the most of your gas supply.

O2ptima CM Air Diluent Diver

Begin your rebreather journey on the streamlined, chest-mounted Dive Rite O2ptima CM. This course teaches the skills to conduct no-decompression CCR dives to a maximum depth of 30 metres/100 feet using air diluent.

O2ptima CM Air Diluent Decompression Diver

Extend your capability on the chest-mounted Dive Rite O2ptima CM with training in staged decompression rebreather diving. Qualifies you to conduct decompression CCR dives to a maximum depth of 40 metres/130 feet using air diluent.

SF2 ECCR Air Diluent Diver

Your entry into silent diving on the SF2 electronic closed circuit rebreather. Learn all the skills needed to conduct no-decompression CCR dives to a maximum depth of 30 metres/100 feet using air diluent.

SF2 ECCR Air Diluent Decompression Diver

Take your SF2 electronic closed circuit rebreather into planned decompression diving, with training to conduct decompression CCR dives to a maximum depth of 40 metres/130 feet using air diluent. Extend both bottom time and depth on this sleek back- or sidemount-capable unit.

Cavern Diver

$400

Develop the skills and knowledge to explore overhead environments within the limits of light penetration. You'll learn the proper planning, procedures, techniques, and hazards of cavern diving, the first step toward full cave certification.

Intro to Cave Diver

Building directly on the Cavern Diver course, this program introduces the basic principles of cave diving along a single primary guide line. Perfect your existing overhead skills while adding the techniques and procedures required for elementary cave dives.

Full Cave Diver

The third stage of TDI's cave diver development program, covering advanced cave dive planning and the practical execution of dives in different types of cave systems. Expands and refines the skills built in the Cavern and Intro to Cave courses.

DPV Cave Diver

Teaches trained cave divers to safely use diver propulsion vehicles in the cave environment. Learn DPV handling, care, and maintenance while planning dives with extended penetration, longer bottom times, and proper gas management.

Rebreather Cavern Diver

Develop the skills and knowledge to take your TDI-approved rebreather into cavern and overhead environments within the limits of light penetration. Covers the planning, procedures, techniques, and hazards specific to rebreather cavern diving.

Rebreather Intro to Cave Diver

Building directly on the Rebreather Cavern course, this program introduces the basic principles of rebreather cave diving along a single primary guide line. The second level in developing safe rebreather cave diving technique.

Rebreather Full Cave Diver

The third stage of TDI's rebreather cave development program, presenting advanced rebreather cave dive planning and the practical execution of dives in different cave systems. Expands and critiques the skills built in the Rebreather Cavern and Intro to Cave courses.

Cavern Discovery

$200

Experience the beauty of the cavern zone under the direct guidance of a fully vetted TDI Cavern Instructor, no cave training required. It's the perfect way to discover whether cavern and cave diving is for you before committing to the full Cavern Diver course.

Nitrox Gas Blender

$300

Ever wondered how your nitrox cylinders get filled? This course trains you in the proper techniques, equipment requirements, and hazards of blending nitrox for recreational diving in an easy-to-understand format.

Advanced Gas Blender

$400

Pick up where the Nitrox Gas Blender course left off and learn to prepare high-quality oxygen- and helium-based blends for technical diving. You'll get an in-depth, behind-the-scenes look at how cylinders go from empty to full of nitrox or trimix.

ERD 1

$400

ERDI's foundational Emergency Response Diving course: the certified open water diver builds the fundamental skills of the public safety diver — search patterns, tender communication, and safe operations under an OSHA-compliant team structure.

ERD 2

$450

Advanced emergency response diving for certified ERD 1 divers: lifting techniques, encapsulation, and complex recovery scenarios — students locate and recover objects and manage the physiological demands of working dives.

ERD Tender

$300

The critical surface role on every public safety dive: line tending, line signals, diver monitoring, and incident support — mastered in confined water and open water scenarios.

ERD U/W Crime Scene Investigator

$400

The skills and knowledge for underwater crime scene investigation: locating, preserving, documenting, and recovering evidence with proper chain of custody.

Underwater Rigging & Recovery Ops

$400

Underwater rigging and recovery for public safety dive teams — locating an object, rigging it correctly, and lifting it safely with lift bags and mechanical advantage.

ERD Full Face Mask

$200

Full face mask operations for emergency response diving: functions, features, communications, and the in-water skills to use FFM systems on working dives in contaminated or zero-visibility water.

ERD Dry Suit

$200

Dry suit operations for public safety teams: environmental hazards, suit types and features, diver insulation, and the in-water skills for protected diving in cold or contaminated water.

ERD Contaminated Water Ops

$400

One of the most demanding public safety programs: contaminated water classifications, hazard recognition, encapsulation, and decontamination procedures for dives where the water itself is the hazard.

ERD Ice Diver

$400

Cold-water and overhead-environment operations: ice diving hazards, specialized equipment, surface support, and the skills to conduct sub-surface public safety operations under ice.

ERD Swift Water 1

$400

Life-saving operations in swift water — water moving faster than 1 knot per NFPA 1006/1670 — from shore-based rescue through full in-water rescue skills.

ERDI Swiftwater Boat Ops

$400

Rescue boat operations in moving water: hazards of watercraft in current, crewing and supporting a rescue boat, and boat handling during swift water incidents.

ERD Small Boat Ops

$400

Small boat operations for responders: standing watch, routine duties, and safely supporting dive operations from a vessel.

ERD Night Diving Ops

$300

Procedures, techniques, and hazards of public safety diving at night, when many callouts actually happen — lights, communications, and low-visibility operations.

ERD Confined Space Ops

$400

The knowledge and skills for limited confined space operations in emergency response conditions, taught to comply with applicable confined-space entry standards.

Adult and Child Emergency Care

Combines CPR, first aid, and automated external defibrillator (AED) use into one program, teaching the techniques to respond to emergencies involving infants, children, and adults. Appropriate for workplace training or general preparedness, and meets international standards including OSHA and ILCOR compliance.

Adult/Child Emergency Care - FIRST AID/CPR/AED (FRTINT-203)

An all-in-one first aid, CPR, and AED program that trains layperson rescuers to recognize and evaluate an emergency, activate EMS, provide CPR for infants, children, and adults, use an AED, and administer first aid for both serious and common injuries.

Bloodborne Pathogens

An OSHA and ILCOR compliant course covering pathogens that can be encountered through bodily fluids. Designed for workplace use, it teaches participants to identify possible sources of infection, use appropriate personal protective equipment, and safely clean and dispose of potentially infectious materials.

Child Emergency Care

Combines CPR, first aid, and AED use into one program focused on emergencies involving infants and children. Ideal for parents, teachers, babysitters, and daycare staff, it teaches child and infant CPR, AED use for children, and pediatric first aid.

Oxygen Administration

Teaches emergency oxygen (O2) administration, covering equipment selection and procedures for delivering oxygen to both breathing and non-breathing individuals, including diving-related decompression illness emergencies. Follows international standards and OSHA and ILCOR guidelines.

Wilderness First Aid

Teaches first aid skills adapted for remote and outdoor settings where professional medical help may be delayed, including patient assessment, injury and illness management, and evacuation decision-making for hikers, campers, and outdoor enthusiasts.

Workplace CPR/AED

An OSHA and ILCOR compliant course combining CPR and AED training into one program, teaching the proper techniques to safely administer CPR and use an AED in emergencies involving infants, children, and adults. A focused option for businesses preparing employees to respond to sudden cardiac arrest.

Divemaster

The first professional rating: master dive theory, refine your watermanship, and learn to lead certified divers and assist with training — the gateway to working in the dive industry.

Assistant Instructor

Step into teaching: work alongside an instructor, present academic sessions, and help develop new divers in the pool and open water while building toward full instructor status.

Scuba Instructor

Complete instructor development and certification: learn to plan, market, and teach courses on your own — mentored through real classes with real students, not just checkout dives.