Ready to go deeper? Learn to plan and perform safe deep dives to 40 m with AQUATAO in Koh Tao.

What Is the Deep Diving Specialty?

The SSI Deep Diving Specialty extends your depth range up to 40 meters. You’ll learn gas planning, depth-related risks, buoyancy control at depth, and safe procedures for deep environments.

The course runs over 2 days and includes theory plus open water dives: 4 dives for Open Water level and 2 dives for Advanced level (requirements apply).


Why Take It in Koh Tao?

  • Diverse deep-friendly sites (pinnacles, rock formations)
  • Generally comfortable conditions to learn progressively
  • Small groups with English, French, Spanish and Thai-speaking instructors
  • Safety-first approach: competence, confidence, enjoyment

Prerequisites

Age
From 15 years old
Health
Complete our medical questionnaire or bring a doctor’s certificate
Certification
Open Water minimum (or equivalent). Advanced recommended

Course Schedule

Key goals: identify depth-related risks, optimize air consumption, master buoyancy, learn planning (gas/time, simulated decompression procedures) and communication.

Day -1 late afternoon
Extended briefing (physiology, narcosis, gas management, ...)
Day 1 – Morning
2 deep dives 
Day 2 – Morning (only for open water divers)
2 deep dives  + reviews + best-practice safety

Why Choose AquaTao?

Small groups

Comprehensive training

High-end equipment

Custom-built boat

International team

Friendly atmosphere

Prices & Packages

Deep Specialty (4 dives) – for Open Water
8000 THB
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Deep Specialty (2 dives) – for Advanced
5000 THB
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Deep + Nitrox Pack (2 dives) – for Advanced
10000 THB
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Deep + Nitrox Pack (4 dives) – for Open Water
13000 THB
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After the Deep Diving Course

FAQ - SSI Deep Diving Specialty in Koh Tao (Up to 40 m)

How many dives are included?

Open Water divers complete 4 dives. Advanced divers complete 2 dives. Each includes a full briefing and adapted skill practice.

What is the maximum depth?

Up to 35 meters, depending on your level, progression, and sea conditions.

Do I need Nitrox?

Not mandatory, but Nitrox is highly recommended to optimize no-decompression limits. Bundle packs are available.

Is it difficult?

Training is progressive and safety-focused. Your instructor will tailor the course to your pace and comfort.