SDI Deep Diver Course
Some of the most beautiful underwater places are deeper than normal diving limits.
You can see towering walls teeming with life, old shipwrecks on the ocean floor, and rare marine creatures that never come close to the surface.
The SDI Deep Diver course at Blue Water Ascent helps you explore this deep underwater world safely and with confidence.
This course teaches you how to plan and complete dives from 18 meters / 60 feet to 40 meters / 130 feet, the maximum depth for recreational diving.
Deep diving requires calm thinking, good planning, and respect for depth.
This training changes the way you think about deep diving and builds strong habits for safe diving in the future.
What Is The Benefit of The SDI Deep Diver Course?
Deep diving takes your underwater adventure to the next level.
This course helps you understand:
- How depth affects your body
- How pressure affects your breathing
- How your equipment works at depth
- How to handle problems calmly
- You learn to stay safe while diving at depth
After this course, you feel more relaxed and confident underwater.
You learn how to manage planned and unexpected situations.
Who Is This Course For?
The SDI Deep Diver course is suitable for:
- Certified open water scuba divers who want to go deeper
- Divers who enjoy wreck dives and wall dives
- Divers who want to explore below 18 meters / 60 feet
- Divers who want to move on to advanced, rescue or technical diving
- Adventure divers who want new and challenging dive sites
Course Requirements
You can join if :
- You are 18 years of age or older
- Or 10 years of age or older with parental permission
- You have an SDI Open Water Scuba Diver Certificate or equivalent
What You Will Learn?
This course builds deep diving skills through theory, planning, and real-world underwater training.
Theory and Knowledge
You learn :
- The physics and physiology of deep diving
- How pressure affects your body
- Nitrogen absorption and its effects
- Buoyancy control at depth
- How depth affects your equipment
Dive Planning and Gas Management
You will learn :
- How to use a dive table and dive computer
- The history and purpose of modern dive computers
- How to plan a multi-level deep dive
- How to calculate bottom time and ascent rate
- How to safely handle air and gas
Emergency Procedures and First Aid
You will learn how to :
- Deal with air supply problems
- Manage stress at depth
- Respond to deep dive emergencies
- Stay calm and make good decisions underwater
Deep Diving Equipment
You will learn about :
- Proper gear setup for deep dives
- Backup equipment and safety equipment
- Redundancy and planning equipment
- Why the right equipment is important at depth
In-Water Deep Diving Skills
You complete two supervised deep dives with an instructor.
Open Water Dive 1
( 30 metres / 100 feet)
You practice :
- Checking depth gauge, timer and dive computer
- Descending to planned depth without exceeding limits
- Diving according to plan
- Monitoring air and gas usage
- Safely exploring the dive site
- Controlled ascents and safety stops
Open Water Dive 2
( 40 metres / 130 feet )
You practice :
- Tracking precise depth, time and air
- Following the dive plan at maximum depth
- Completing simulated emergencies underwater
- Staying calm under pressure
- Proper ascents and safety stops
This dive builds discipline, confidence and awareness.
What's In It for You?
After completing the SDI Deep Diver course at Blue Water Ascent, you will receive:
- Certification to dive safely to 40 meters / 130 feet.
- Improved confidence at depth
- Strong skills in dive planning and gas management
- Safe emergency response skills
- Access to deep dive sites such as wrecks and walls
- A strong foundation for advanced and technical diving
- Improved safety awareness and underwater self-control
Course Completion Requirements
To earn certification, you must :
- Complete all SDI Deep Diver Knowledge Quests
- Achieve a score of 80% or higher
- Successfully complete all open water dives
- Demonstrate good judgment and safe dive planning
- Follow instructor guidance at all times
Blue Water Ascent instructors support you throughout the course with care, patience, and confidence.
Frequently Asked Questions
What is my maximum certified depth?
You are certified to dive to 40 meters / 130 feet, which is the recreational diving limit.
Is deep diving dangerous?
Deep diving has higher risks, but this course teaches you how to plan and dive safely and responsibly
Do I need special equipment?
Standard scuba equipment is sufficient. Backup equipment can be used depending on location and preference.
Can both dives be done in one day?
Yes. If conditions are good, both training dives can be completed in one day.
Does this help with advanced or technical diving?
Yes. Deep diving is an important step towards advanced, rescue, and technical diving.
Start your deep diving adventure
- Explore deep reefs
- Discover dramatic walls.
- Visit shipwrecks.
- See the underwater world like never before
- Blue Water Ascent makes you an SDI Deep Diver.
- Start your education.
- Book your Deep Diver course.
- Find a Blue Water Ascent dive center.
