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Scuba Diving International

Experience the Underwater Worl...

Scuba Discovery Program For those who want to test the waters, this is the course for you.

Future Buddies Program Do you have a family and you want to get the younger members involved in a sport that you have been enjoying?

Open Water Scuba Diver Course The SDI Open Water Scuba Diver course is an entry-level certification course designed to give you the necessary skills to safely conduct open water dives.

Specialty Course Offerings

Advanced Adventure Diver You’ve taken your open water scuba diver course and now you’re ready to expand your knowledge but you would like to see what is out there first.

Advanced Buoyancy SDI Advanced Buoyancy Control

Boat Diver  Whether on a private vessel or one of the many charter dive boats available worldwide, divers are frequently not aware of the special procedures and etiquette used when boat diving.

Computer Diver

Computer Nitrox Diver The SDI Computer Nitrox course is a great next step after the Open Water Diver certification and is structured in an easy to understand manner by making use of a Nitrox programmable computer. 

CPROX Administrator Course The CPROX course is a straight forward no-nonsense approach to teaching you as the first responder to an emergency how to handle the situation.

CPR1st Administrator Course The CPR1st course is one of the two first responder courses that SDI offers.

Deep Diver SDI’s Deep Diver course is a must for any diver wishing to explore a little more and will teach you the risks and benefits of deep diving. 

Drift Diver Some of the best dives in the world are found in currents where the nutrients are rich and ready to be feed on by soft corals, sponges, and Manta rays. 

Dry Suit Diver The SDI Dry Suit Diver course will open up a whole new world of diving to you. 

Equipment Specialist There are many things that you as a diver can do to maintain your equipment and the SDI Equipment Specialty course is just the place to learn how to do that maintenance. 

Inactive Diver Program Has it been a while since you have been diving?

Full Face Mask Diver Specialty Divers often have a need or want to effectively communicate underwater the SDI Full Face Mask Diver course is the perfect starting point.

Marine Ecosystems Awareness As divers, we have a vested interest in protecting the marine environment.

Marine Ecosystems Awareness Ni... Many divers find that night diving is their favorite type of diving.

Research Diver The SDI Research Diver course will acquaint the open water diver with the fascinating topic of Research Diving.

Search & Recovery Diver SDI’s Search and Recovery Diver specialty will teach you the basics of searching for a lost object from outboard boat motors to jewelry. 

Shore/Beach Diver Many great dives are located just off shore and can be easily accessed from shore.

Sidemount Diver SDI’s Open Water Sidemount Diver Specialty is a must for any sport diver wishing to use this increasingly popular equipment configuration. 

Underwater Navigation One of the most important skills a diver can have is good navigation, this could be with a compass or by natural formations.

Underwater Photography Making a dive and seeing the wonders of the aquatic environment can only be topped by taking pictures of it to share with friends and family. 

Underwater Video Most divers have a desire to bring home the sights and sounds of being underwater, if a picture tells a thousand words a video tells a thousand words per second.

Visual Inspection Procedures During the SDI Visual Inspection Procedures course, you will learn to promote safety in the care and...

Wreck Diver Wreck diving can be one of the most exciting aspects of sport diving and can uncover pieces of history seen by few others, however, every effort must be made to maximize safe diving techniques.

Advanced Course Offerings

Solo Diver Course One of SDI’s most popular courses, the solo diver program teaches experienced recreational divers how to safely dive independently of a dive buddy or strengthen their buddy team skills.

Rescue Diver Course The SDI Rescue Diver Course is designed to develop your knowledge and necessary skills to effectively perform diver rescues and assist and administer necessary first aid.

Advanced Diver Development Pro... The SDI Advanced Diver Development Program was created to make truly “Advanced Divers”. 

Master Scuba Diver Development... You have already shown that diving is the sport for you by completing your Open Water Scuba Diver ce...

Become a Professional and Educ...

Divemaster Course The SDI Divemaster Course is the first professional-level certification.

Assistant Instructor Course The SDI Assistant instructor course is designed for you to gain practical teaching experience with an active SDI Instructor or Instructor Trainer.

Instructor Course So you’re ready for the next step and to get the chance to introduce new divers to the sport o...

Specialty Instructor

Online Instructor Crossover Sy...

Technical Diving International

TDI Diver Level Courses

Open Circuit Courses

Rebreather Courses

Service Courses

Cavern Diver As the first in a series of overhead courses, the TDI Cavern Course takes a serious look at the skills needed to conduct safe and enjoyable cavern dives.

Intro to Cave Diver The TDI Introductory Cave Course takes a serious look at the skills needed to conduct safe and enjoyable cave dives.

Full Cave Diver The TDI Cave Course is the highest overhead environment rating offered by TDI.

Advanced Wreck Diver The TDI Advanced Wreck course is the next step for any diver that has taken a wreck diver course.

Cave DPV Diver This course is designed to give the trained cave diver the minimum knowledge and basic fundamentals of safely utilizing diver propulsion vehicle (DPV) in the underwater cave environment.

Stage Cave Diver The Stage Cave Diver course is designed to give the trained cave diver the increased knowledge and b...

Cave Surveying Diver The Underwater Cave Surveying course is designed to give the trained cave diver the minimum knowledge and basic fundamentals of how to survey in the unique underwater cave environment.

International Association of N...

Recreational Programs

Supervised Diver

Open Water Diver

Essentials Diver

Advanced Open Water Diver

Open Water Side Mount Diver

Rescue Diver

EANx Diver

Recreational Trimix Diver

Deep Diver

Advanced EANx Diver

Adv. Recreational Trimix Diver

Specialty Diver

Elite Diver

Open Water DPV Diver

Self-Sufficient Diver

Public Safety Diver

Decompression Specialist

Diver First Aid

Oxygen Administrator AED


Diving Medical Technician

Hyperbaric Chamber Operator

EANx Blender

Trimix Gas Blender

Life Support Systems Service T...

Technical Programs

Technical Diver (OC Only)

Normoxic Trimix Diver

Trimix Diver

Expedition Trimix Diver

In Water Recompression (OC, SC...

Cave Programs

Cavern Diver

Limited Mine Diver

Introductory Cave Diver (OC On...

Cave Diver

Mine Diver

Technical Cave Diver

Rebreather Cave Diver

Adv. Cave – Side Mount

Adv. Cave – DPV

Adv. Cave – Stage

Adv. Cave – Survey

Wreck Programs

Wreck Diver

Advanced Wreck Diver

Technical Wreck Diver

Rebreather Wreck Diver

Rebreather Programs

Rebreather Experience

Recreational CCR Diver

SCR Rebreather Diver

CCR Diver

Leadership Programs

Dive Master

Adv. EANx Supervisor

Adv. Rec. Trimix Supervisor

Cavern Dive Master

Emergency Response Diving

ERDi Diver Level Course

ERD I This entry-level emergency response diving course is designed to give the public safety diver the fu...

ERD II This ERDI course enables the public safety diver to develop detailed knowledge and advanced skills in emergency response diving.

ERDi Ops Component Courses

ERD Drysuit OPS The ERD Drysuit OPS course is designed to develop the knowledge and skills that are necessary for drysuit diving operations in emergency response diving.

ERD Full Face Mask OPS The ERD Full Face Mask course provides the skills and knowledge for the ERD diver to utilize full face masks for emergency response diving.

ERD Ice Diving OPS Conducting emergency response operations in an overhead environment, such as ice diving, presents hazards and challenges to the ERD team not found in normal situations.

ERD Ice/Surface Rescue OPS This non-diving ERD course will train and prepare rescue teams to properly respond and execute operations to retrieve victims who have broken through thin ice conditions.

ERD Tender The ERD Tender course trains team personnel to properly line tend and participate within the public safety dive team in a non-diving role.

ERDi Contaminated Water Diver ... The ERDI Diving in Contaminated Water Ops Component is one of the most challenging public safety diver training programs.

ERDi Professional Courses

ERD Supervisor The training you will receive in the ERD Supervisor course will prepare you to supervise ERD team operations as well as assist ERD Instructors with training.

ERD Instructor The ERD Instructor course is the next step in the ERDI Professional realm.

ERD Instructor Trainer ERDI’s highest teaching level is the Instructor Trainer rating.