SDI Deep Diver Course
SDI Deep Diver
Go deeper. Wall dives, shipwrecks, and underwater life that never comes into the shallows — it all starts at 60 feet and beyond. This course gives you the skills, knowledge, and certification to dive down to 130 feet safely and confidently.
Who This Course Is For
If you're a certified diver who's felt limited by the 60-foot Open Water ceiling, this is your next step. The SDI Deep Diver course is built for divers who want to explore more of the underwater world — and do it right.
Course Prerequisites
Not yet certified? Start with SDI Open Water ?
What You'll Learn
Academic Topics
- Physics and physiology of deep diving
- History of dive tables and computers
- Equipment considerations for deep diving
- Emergency procedures and first aid for deep dive incidents
- Deep dive planning — depth, time, and gas management
In-Water Skills
- Equipment checks — depth gauges, bottom timers, computers
- Controlled descent to planned depth with no limit violations
- Dive 1: maximum depth 30m/100ft — site familiarization
- Dive 2: maximum depth 40m/130ft — depth/time/air monitoring
- Simulated emergency assigned underwater by instructor
- Controlled ascent with safety stop on every dive
What You Get Out of It
Upon completion you're certified to dive independently to a maximum depth of 40m/130ft — opening up an entirely new category of dive sites that were previously off-limits.
Access to 130 Feet
Wrecks, walls, and deep reefs that most divers never reach. Your Deep Diver cert is what gets you there.
Safer Deep Diving
You'll understand the physics and risks at depth — narcosis, gas management, emergency procedures — so you dive smarter, not just deeper.
Lifetime Certification
Your SDI Deep Diver certification never expires. Complete it once and take it on every dive trip you'll ever take.
Counts Toward Master Diver
Deep Diver is one of the qualifying specialty certifications for the SDI Master Diver rating — and it's included as a bonus in our Go Pro Program.
How to Get Started
- 01 Sign Up Online or Call UsClick the button below or call (512) 489-4404. We'll confirm your eligibility and get you registered.
- 02 Complete Your SDI eLearningYou'll receive your eLearning access code via email. Complete the Deep Diver Knowledge Quests at your own pace — from home, on your phone, on your schedule.
- 03 Schedule Your Open Water DivesOnce your eLearning is complete, contact us to schedule your two open water training dives at a local Texas dive site. We'll coordinate everything.
- 04 Earn Your Deep Diver CertificationPass your Knowledge Quests (80% minimum, 100% remediation available), complete both open water dives, and your SDI Deep Diver certification is issued.
Explore More SDI Specialty Courses
Stack your skills. Each specialty makes you a more capable, confident diver — and they all count toward your SDI Master Diver rating.
Not sure which specialty to take next? Call us and we'll help you plan your path ?
Common Questions
How many dives are required?
Two open water dives are required. Dive 1 goes to a maximum of 30m/100ft and Dive 2 goes to the full 40m/130ft limit. Both include specific skills and an emergency scenario assigned by your instructor.
Where are open water dives conducted?
We use local Texas dive sites with sufficient depth — including sites near Austin, Dallas, Houston, and San Antonio. We'll coordinate the right site based on your location and availability.
Do I need special equipment for deep diving?
A dive computer capable of tracking depth and time is essential. The course covers equipment considerations in detail. We'll go over exactly what you need when you register.
Should I take Nitrox before or after Deep Diver?
Many divers pair these two together — Nitrox extends your no-decompression limits at depth, which makes deep diving safer and more flexible. Ask us about taking both in the same training block.
Does this count toward SDI Master Diver?
Yes — Deep Diver is one of the qualifying specialty certifications for the SDI Master Diver rating. It's also included as a bonus specialty in our Go Pro Program.
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