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Seashell Resort Dive Center

PADI 5 Star IDC Resort 📍 Koh Tao, Thailand ★★★★½ 4.9 (384 reviews)

Photo: Nott Peera · CC BY · via iNaturalist

Seashell Resort Dive Center is an SSI dive centre located in the heart of Sairee Beach on Koh Tao, Thailand. Established in 2001, it offers courses from Try Scuba Diving and Open Water Diver through to Divemaster, as well as specialty courses including Wreck Diver, Deep, Night Diving, and Nitrox. The centre suits both beginners and certified divers looking for fun dives.

Courses offered

Course Price
Divemaster THB 43,000
Open Water Diver –
Try Scuba Diving –
Advanced Open Water Course –
Scuba Review –
Stress & Rescue –
Wreck Diver –
Advanced Wreck Diver –
Deep –
Night Diving –
Nitrox –

Prices as listed on the centre’s own website, checked October 2026. Please confirm current prices directly with the centre.

Diving with Seashell Resort Dive Center

The centre operates a spacious 21m x 4.5m boat with easy entry/exit, sun deck, and shaded areas. Nitrox and technical diving are available. Dive sites visited include Chumphon Pinnacle, Southwest Pinnacle, Sail Rock, Shark Island, White Rock, Green Rock, Twins, Red Rock, Japanese Gardens, Mango Bay, Sairee Reef, HTMS Sattakut, MV Trident, HTMS Suphairin, and HTMS Hanhak Sattru. Languages spoken: English.

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At a glance

  • One of 20 PADI centres listed in Koh Tao (44 dive centres there in total)
  • 6 dive sites within 60 km: Sairee Reef (1 km) · Htms Sattakut (2 km) · White Rock (2 km) · Mae Haad Bay (2 km) · Hin Wong Bay (2 km) · Japanese Garden (3 km)
Certification PADI 5 Star IDC Resort
Location Koh Tao, Thailand
Address 9 Sairee Beach, 1, Tambon Ko Tao, Koh Tao, Chang Wat Surat Thani 84360, Thailand
Phone 063 535 5586
Google Rating ★★★★½ 4.9 384 reviews
GPS 10.0977°, 99.8290°
Operator ID 0581f171-fe97-4efe-a40c-10797afb217b

Sea temperature through the year

Average sea surface temperature at the coordinates of Seashell Resort Dive Center, Koh Tao, Thailand, by calendar month. The water is warmest in May at 31.4 °C and coldest in January at 28.1 °C, a spread of 3.3 kelvin over the year. Every month of the year averages 25 °C or more.

MonthJanFebMarAprMayJunJulAugSepOctNovDec
Sea temperature (°C)28.128.729.230.831.430.430.130.029.729.929.528.5

By season, the four quarterly averages at this location are spring (March to May) 30.5 °C, summer (June to August) 30.2 °C, autumn (September to November) 29.7 °C and winter (December to February) 28.4 °C.

Sea surface temperature from Open-Meteo Marine (CC BY 4.0), daily model means 2022-11 to 2024-12, sampled at the coordinates of this dive centre. Values are monthly averages of the daily means, not forecasts.

Marine life recorded in this area

Research-grade observations from iNaturalist near these coordinates.

Whale Shark (Rhincodon typus)
Whale Shark Rhincodon typus A very large, slow-moving shark with a broad, flattened head, a wide mouth, and a distinctive pattern of pale spots and stripes on a dark grey back.to 18 m · surface to 100 m · day and nightopen water, often near the surfaceObserve from a respectful distance; its path is predictable as it swims with its mouth open to filter feed. (c) Dan Schofield, some rights reserved (CC BY) · observation
Wire Coral Crab (Xenocarcinus tuberculatus)
Wire Coral Crab Xenocarcinus tuberculatus A small, decorator crab that attaches bits of wire coral and other debris to its body for camouflage, making it look like a moving piece of coral.to 2 cm carapace · 10-40 m · day and nighton wire corals and gorgoniansLook for movement on wire coral branches; the crab's legs and body are often completely obscured by its camouflage. (c) klukoff, some rights reserved (CC BY) · observation
Bluering Angelfish (Pomacanthus annularis)
Bluering Angelfish Pomacanthus annularis A large angelfish with a blue-ringed black spot on its side, yellow tail and blue-edged fins. Adults have a blue ring around the spot, juveniles are dark with blue and white curved bars.to 45 cm · 3-30 m · by daycoral-rich areas of reefs and slopesOften seen singly or in pairs, swimming near ledges and overhangs. Listen for a distinct clicking sound it makes while feeding. (c) portioid, some rights reserved (CC BY) · observation
False Flowerpot coral (Bernardpora stutchburyi)
False Flowerpot coral Bernardpora stutchburyi A colonial stony coral forming small, compact clumps of short, thick branches with rounded tips, resembling a flowerpot.colonies to 30 cm · 3-30 m · day and nightshallow reef slopes and lagoonsLook for its distinctive, stubby branches among other branching corals; polyps are often extended during the day. (c) portioid, some rights reserved (CC BY) · observation