Diving Thailand

Thailand's Best Dive Centres

17 dive operations reviewed and ranked across 8 regions. From Koh Tao's legendary dive schools to Phuket's world-class Similan operators — find the right dive centre for your trip.

Not sure what to look for? Read our guide on how to choose a dive centre — including pricing red flags and questions to ask before you book.

Read the guide →

Filter by area: All Koh Tao Koh Samui Koh Phangan Phuket Krabi & Koh Lanta Similan Islands Koh Phi Phi Koh Chang

Gulf of Thailand

Koh Tao

Thailand's Dive Capital — Where the World Learns to Dive

Top Pick

Koh Tao Mid-Range

Koh Tao Divers

Koh Tao's Technical & CCR Diving Specialists Since 1987

4.9

SSITDI

Koh Tao's standout choice — an original 1987 operator and the island's leading centre for technical, sidemount and CCR training, with explorer-grade instructors who teach the full SSI XR range.

Operating on Koh Tao since 1987 — one of the island's original dive centres
The island's leading hub for technical, sidemount and CCR training
Full SSI XR range: Extended Range, Trimix, Cavern, Wreck and Sidemount

Courses from

$330 USD

Fun dives from

$54 USD

Koh Tao Mid-Range

Big Blue Diving

Koh Tao's Most Award-Winning Dive Centre

5.0 (4,823)

PADISSI

Multiple PADI 5-Star Resort of the Year awards
Over 30 experienced instructors on staff
On-site resort accommodation at great value

Courses from

$330 USD

Fun dives from

$54 USD

Koh Tao Mid-Range

Black Turtle Dive

Koh Tao's Premier Conservation-Focused PADI Centre

5.0 (2,729)

PADI

PADI 5-Star Career Development Centre — full professional training pathway
Maximum 4 students per instructor across all courses
Whale Shark Awareness distinctive specialty — unique to Black Turtle

Courses from

$368 USD

Fun dives from

$56 USD

Koh Tao Mid-Range

Crystal Dive Resort

Professional Excellence on Koh Tao's Mae Haad Bay

4.9 (1,349)

PADI

PADI 5-Star Career Development Centre
Highly experienced instructor team, many with 10+ years on Koh Tao
Daily wreck trips to HTMS Sattakut

Courses from

$330 USD

Fun dives from

$54 USD

Koh Tao Mid-Range

La Bombona Diving

Family-Run Diving in the Heart of Sairee Beach

4.9

RAID

Over 12 years of operation on Koh Tao
More than 20,000 certifications issued
Team with over 100 years of combined diving experience

Courses from

$330 USD

Fun dives from

$54 USD

Koh Tao Mid-Range

Mojo Dive

The Divemaster Factory — Best DM Training on Koh Tao

4.9 (696)

PADI

Specialist Divemaster and IDC training
Extended dive exposure during DM internships
Highly personalised DM programme

Courses from

$290 USD

Fun dives from

$135 USD

Koh Tao Mid-Range

New Way Diving

Small and Personal — A Hidden Gem on Koh Tao

4.9 (690)

PADISSI

Maximum 4 students per instructor — the smallest groups on Koh Tao
Consistently top-rated on TripAdvisor
Genuinely personalised instruction

Courses from

$295 USD

Fun dives from

$45 USD

Koh Tao Budget-Friendly

Roctopus Dive

Fun, Professional Diving in a Laid-Back Atmosphere

4.9 (2,000)

PADI

One of Koh Tao's most liked smaller dive schools
Excellent fun-dive programme for certified divers
Passionate, energetic instructors

Courses from

$330 USD

Fun dives from

$54 USD

Koh Tao Budget-Friendly

Ban's Diving Resort

Koh Tao's Largest Dive Resort — Unbeatable Value

4.4 (2,000)

PADI

One of the largest PADI dive resorts in the world
Best-value Open Water courses on Koh Tao
Large on-site resort with pool, restaurant, and bar

Courses from

$330 USD

Fun dives from

$54 USD

Gulf of Thailand

Koh Samui

Gulf of Thailand Gateway — Day Trips to World-Class Dive Sites

Top Pick

Koh Samui Mid-Range

Silent Divers

Koh Samui's Premier Dive Centre — Small Groups, Big Experiences

5.0 (1,257)

PADI

Koh Samui's only PADI IDC Centre — exceptional instruction from beginner to instructor level, intimate group sizes, and the fastest access to Sail Rock on the island.

Maximum 4 students per instructor — truly personalised teaching
Sail Rock in just 60 minutes — fastest access on Koh Samui
Koh Samui's ONLY PADI IDC Centre — train to become an instructor here

Courses from

$550 USD

Fun dives from

$150 USD

Gulf of Thailand

Koh Phangan

More Than Full Moon — Hidden Reef Gems in the Gulf

Koh Phangan Mid-Range

Lotus Diving

Koh Phangan's Most Established Dive Centre

4.7 (560)

PADI

Best access to Sail Rock from Koh Phangan
20+ years operating on Koh Phangan
Small groups and personal service

Courses from

$285 USD

Fun dives from

$48 USD

Andaman Sea

Phuket

Andaman Sea Hub — Doorway to Thailand's Most Spectacular Diving

Top Pick

Phuket Premium

Sea Bees Diving

Family-Owned Excellence — Andaman's Most Trusted Name

4.9 (980)

SSI

Possibly the highest-rated dive centre in Phuket. Family-run with an emphasis on quality that larger operations can't match.

Family-owned and operated for over 30 years
Consistently rated #1 in Phuket on TripAdvisor
Own fleet of purpose-built dive boats

Courses from

$535 USD

Fun dives from

$130 USD

Andaman Sea

Krabi & Koh Lanta

Manta Rays, Limestone Karsts, and Pristine Andaman Reefs

Krabi & Koh Lanta Mid-Range

Kon-Tiki Krabi

Ao Nang's Most Trusted PADI 5 Star IDC Centre Since 1999

4.9 (563)

PADI

PADI 5-Star IDC Centre operating since 1999 — 25+ years of experience
Two dedicated dive boats — Tiki Star and Tiki Legend
Access to Phi Phi Islands, Shark Point, King Cruiser Wreck, Koh Haa, and Anemone Reef

Courses from

$475 USD

Fun dives from

$46 USD

Krabi & Koh Lanta Mid-Range

Scubafish

Koh Lanta's Friendly Dive Centre — Gateway to Hin Daeng

4.8 (620)

PADISSI

Best access to Hin Daeng and Hin Muang from Koh Lanta
Consistently top-rated on all major review platforms
Passionate, highly experienced instructors

Courses from

$320 USD

Fun dives from

$50 USD

Krabi & Koh Lanta Mid-Range

Lanta Diver

Eco-Conscious Diving on Beautiful Koh Lanta

4.7 (410)

PADI

Strong environmental and conservation focus
PADI AWARE Green Star dive centre
Excellent underwater photography instruction

Courses from

$310 USD

Fun dives from

$48 USD

Andaman Sea

Koh Phi Phi

Iconic Islands, Spectacular Reefs, and Legendary Leopard Sharks

Koh Phi Phi Mid-Range

Phi Phi Scuba

Premier Diving From the World's Most Beautiful Island

4.7 (880)

PADI

Best daily access to Koh Bida leopard shark sites
Close to Hin Daeng and Hin Muang for manta ray trips
Night diving on spectacular reefs

Courses from

$340 USD

Fun dives from

$52 USD

Gulf of Thailand

Koh Chang

Thailand's East Coast — HTMS Chang Wreck and Pristine Reefs

Koh Chang Mid-Range

Koh Chang Divers

The Original Wreck Divers of the Eastern Gulf

4.6 (340)

PADI

Specialist HTMS Chang wreck diving operation
Best access to Koh Rang National Park reefs
Peaceful, uncrowded eastern Gulf diving

Courses from

$465 USD

Fun dives from

$99 USD