#1Big Blue Diving School Koh Tao
5.0 (5,573)·Koh Tao
PADI-certified diving school on Sairee Beach offering courses and guided dives for all experience levels.
The 10 Best Activities & Tours in Koh Tao, Ranked
This is a dive school list, plain and simple, with seven scuba operators and a heavy cluster along Sairee Beach, broken up only by two viewpoint hikes and one general tour outfit. Big Blue Diving School takes the top spot on sheer weight of reviews, more than any other name here. Ranked by Google rating, with review volume settling the ties.
10 placesAvg 4.9 on GoogleUpdated Sep 2026
- #1
#2Taco Divers Koh Tao
5.0 (3,304)·Koh TaoA Sairee Road dive shop built around small groups, and it shows most on a first Open Water course.
#3Nitro Dive Center - Koh Tao
5.0 (2,326)·Koh TaoA dive shop that takes first-timers and certified divers with the same care, open till 9pm daily.
#4John-Suwan Viewpoint
4.7 (3,466)·Koh TaoRigorous uphill trail surrounded by jungle & boulders, leading to panoramic mountain & bay views.
#5Roctopus™ | Koh Tao Diving Center
4.9 (2,315)·Koh TaoA Sairee Beach dive school that keeps groups small, which is the thing that actually matters here.
#6Kohtao Daimon Tour
4.7 (2,662)·Koh TaoA Koh Tao tour outfit worth lining up before you land, especially if snorkeling is the plan.
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#7Goodtime Adventures | Scuba Diving, Snorkeling, & Climbing
5.0 (1,589)·Koh TaoDiving and rock climbing from one desk, which saves you shopping around when the weather turns.
#8Koh Nang Yuan Viewpoint
4.6 (2,388)·Koh TaoA short, steep scramble to the shot everyone comes to Koh Tao for: three islands joined by a white sandbar.
#9La Bombona Diving - Scuba Diving Center - Koh Tao - Thailand
4.9 (1,425)·Koh TaoA highly regarded scuba diving center on Koh Tao's Sairee Beach, offering courses and dives for all levels.
#10Isla Tortuga Divers Co., Ltd
4.9 (1,280)·Koh TaoA highly regarded scuba diving operator on Koh Tao offering courses and dive trips for all experience levels.
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