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Best Diving & Snorkeling in Koh Samui

Koh Samui's top dive centres and snorkeling trips — Ang Thong, Koh Tao day trips, and local sites.

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1

Big Blue Diving School Koh Tao

5.0(4,667)Sairee Beach, 14, 148, Koh Tao, Koh Phangan, สุราษฎร์ธานี 84360, Thailand
Koh Samui

The Gulf's most famous dive school on Koh Tao — thousands of certifications a year and standards to match.

2

Silent Divers

4.9(1,220)39 Chaweng Beach Rd, Tambon Bo Put, Amphoe Ko Samui, Chang Wat Surat Thani 84320, Thailand
Koh Samui

Samui's top-reviewed dive centre — small groups to Sail Rock and Chumphon Pinnacle.

3

Sail Rock Divers

4.9(616)15 Moo 7, Tambon Ko Pha-ngan, Amphoe Ko Pha-ngan, Chang Wat Surat Thani 84280, Thailand
Koh Samui

Named for the Gulf's best dive site and built around it — Sail Rock day trips done right.

4

Turtle Divers - Koh Tao

5.0(563)25, 20, Mae Haad, Koh Tao, Chang Wat Surat Thani 84360, Thailand
Koh Samui

Personal-scale Koh Tao diving — patient pros and the island's turtle-rich shallow sites.

5

The Dive Academy Koh Samui

4.9(483)157, 15, Tambon Bo Put, Amphoe Ko Samui, Chang Wat Surat Thani 84320, Thailand
Koh Samui

Samui-based PADI courses and Gulf trips — polished boats and a strong teaching reputation.

6

Discovery Divers

4.8(381)14 3 Chaweng Beach Rd, Tambon Bo Put, Amphoe Ko Samui, Chang Wat Surat Thani 84320, Thailand
Koh Samui

Long-running Samui operator covering Sail Rock, Koh Tao, and Ang Thong's dive sites.

7

Scuba Birds Dive Center Koh Samui

4.8(162)10, Chang Wat, Ko Samui District, Surat Thani 84320, Thailand
Koh Samui

A PADI five-star IDC centre — from bubble-maker to instructor development under one roof.

8

Easy Divers

4.7(37)158, 6, Tambon Bo Put, Amphoe Ko Samui, Chang Wat Surat Thani 84320, Thailand
Koh Samui

Small, unhurried, and aptly named — relaxed guided diving for certified divers and returners.

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