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Dive deeper. Dive deliberately.
Skill-first coaching for divers who want precise buoyancy, trim, propulsion, and real team habits — from your first Open Water dive through technical and cave. No box-checking. Just capable, thinking divers.
Standards-driven.
Calm. Detailed.
At its core, scuba is about real fun — earned through preparation, discipline, and competence. What that gives divers is capacity: the ability to dive more, dive better, and enjoy more of the underwater world with confidence and control.
No shortcuts. We give you tools — and a proven path that cuts through years of inefficient trial and error.
Whether you're brand new or highly experienced, every class is tailored to your goals without compromising the fundamentals. Complex skills are broken into manageable pieces. Practice is valued. Standards are transparent and published. The goal isn't to check boxes — it's mastery: skill, comfort, confidence, and competence developed together.
That shared foundation is what lets a team relax and actually enjoy the dive — the quiet moments, the flow, the problem-solving, and the friendships that form when everyone is pulling in the same direction.
- 01Physical fitness for diving
- 02Real diver capacity — not just certifications
- 03Clearly defined narcotic and oxygen limits
- 04Non-negotiable safety rules: gas planning, reserves, bailout
- 05True team diving
- 06Equipment and procedural standardization
- 07Risk awareness and mitigation
- 08Thinking divers, not button-pushers
Courses
A complete pathway from your first breath underwater to mixed-gas decompression diving. Every course builds on the last — taught with a learn-to-dive approach that emphasizes understanding and real skill development.
- Equipment setup & use
- Buoyancy control & underwater movement
- Dive planning & the buddy system
- Emergency procedures & problem-solving
- Marine life awareness & the environment
- Choose four specialties to your interests
- Knowledge development & confined water
- Four open-water training dives
- Builds toward technical diving
- Recognize & respond to emergencies
- In-water rescue & towing techniques
- Panicked & unresponsive diver management
- Search patterns & missing-diver procedures
- Surface O₂ first aid, CPR & action planning
- Double-tank configuration & gas management
- Decompression theory & dive planning
- Technical buoyancy & trim
- Emergency procedures for technical divers
- Gateway to Decompression Procedures
Advanced Nitrox
Dive safely with enriched air from 22% to 100% oxygen — extending your no-decompression limits and optimizing off-gassing on decompression dives. With Decompression Procedures, it forms the foundation of technical diving at East Atlantic Divers.
Full TDI track: Nitrox · Advanced Nitrox · Deco Procedures · Trimix · CCR & more
- Enriched-air & high-O₂ gas planning
- Extended no-deco limits & off-gassing strategy
- Stage / deco cylinder handling
- Pairs with Decompression Procedures
Specialties
Mix and match specialty modules toward your Advanced Diver Development certification — or just to deepen the diving you love most.
Safely explore and protect the underwater world.
Instructor
Arturo Marchand
Originally from Puerto Rico, Arturo grew up a stone's throw from the Caribbean Sea, in a family that shared a deep love and respect for la mar. A chef by trade and training, he started diving in the late '90s and turned professional in 2011. In the years since, he has logged over 2,500 dives and certified hundreds of students.
His credentials span the industry's most demanding programs — GUE Tech 1 and Cave 2, SSI Master Instructor and Tech Instructor Trainer, and SDI/TDI Master Instructor. He especially enjoys teaching specialties like deep, navigation, search & recovery, and rescue, and his passion runs well beyond recreational depths: an accomplished technical and cave diver, he teaches technical and professional-level programs, helping shape the next generation of instructors.
On dry land, he's a dedicated Brazilian jiu-jitsu practitioner with six years on the mats and enjoys the shooting sports. When he's not diving, training, or teaching, he loves time with his wife and son.
FAQ
SDI (Scuba Diving International) and TDI (Technical Diving International) are two of the world's leading diver-training agencies. SDI focuses on recreational certifications; TDI specializes in advanced technical diving — decompression, mixed gas, and cave. Together they offer a complete pathway from beginner to expert.
Most new divers start with the SDI Open Water Scuba Diver course. If you're already certified, we'll help you find the right next step — Advanced, Rescue, or a specialty. Reach out and we'll guide you to the best fit.
Yes. TDI and SDI certifications are recognized by dive operators, resorts, and agencies around the world. Whether you earn a recreational SDI card or an advanced TDI technical rating, it's accepted globally.
Yes. TDI/SDI offer a crossover program that lets certified divers from other agencies receive equivalent credentials. Send us your current certification details and we'll walk you through the process.
A full range of TDI courses including Intro to Tech, Advanced Nitrox, Decompression Procedures, Extended Range, and Trimix — whether you're just entering the technical realm or pushing deeper.
A mask, fins, wetsuit or drysuit, BCD, regulator, and dive computer. Technical courses may require a stage or deco cylinder, dive light, and cutting device. We send a full gear list on enrollment, and rental equipment is available.
Let's get you
in the water.
Interested in training? Send a few details and we'll be in touch shortly. We can't wait to hear from you.
Raleigh, NC
900 Chapanoke Rd.
Raleigh, NC 27603
Note
An independent training group providing SDI/TDI and GUE Fundamentals instruction. Not a retail dive shop.