Online Courses, Training Materials
and E-Certification.
Buy the official ITDA-IHMP training materials (PDF manual) and e-certification for each program. Practical in-water training is delivered separately by your local ITDA partner or instructor at local cost.
Practical in-water training is not included — it is arranged separately with a local ITDA partner or instructor at local cost.
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Members save on all courses and theory fee includes; .PDF manual and e-certification. View plans →
Member price applies to logged-in paid members (Basic and above) — not the Free package.
Free Dive Safety Quiz
FreeTest your diving knowledge — 2 levels, 30 questions, instant scoring. No sign-up required.
Entry Level Scuba Diving
Your first scuba steps — from a supervised introduction session to the full Open Water Scuba Diver certification. Open Water divers can then add Specialist Level 1 specialties (Buoyancy, Navigation, Night, Photography, Video, Marine Life and more), which can be added to or even included with the Open Water Scuba Diver course, or taken later to gain more actual diving experience.
Explore the Specialist Diver Levels pathway →
Open Water Scuba Diver
Part 1: Online Theory Certification — the first step toward your full Open Water Scuba Diver certification. Covers all dive theory (equipment, physics, physiology, dive planning, environment, and safety) through 8 interactive modules with quizzes. **Includes:** Full digital training manual, online theory assessment, and e-certification as Theory Level Pass. **Part 2 (Practical In-Water Training)** is required separately with an ITDA instructor to complete your full Open Water Scuba Diver certification. This online course saves you time and money by completing all theory before your in-water training. Payment is required in full in advance.