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Siam Scuba Dive Center

PADI 5 Star Dive Resort 📍 Koh Tao, Thailand ★★★★½ 4.9 (960 reviews)

Photo: Nott Peera · CC BY · via iNaturalist

Siam Scuba Dive Center is a PADI 5 Star Dive Center located on Koh Tao, Thailand. It offers a wide range of PADI courses, from introductory experiences like Discover Scuba Diving and Bubble Maker through to professional-level training including Divemaster and IDC (Instructor Course). The centre also runs fun dives for certified divers.

Courses offered

Course Price
Discover Scuba Diving THB 2,600
Open Water Diver THB 12,000
Bubble Maker THB 3,800
Scuba Review THB 2,500
Advanced Open Water THB 11,000
Rescue Diver THB 11,000
Emergency First Response (EFR) THB 5,000
Divemaster THB 40,000
Peak Performance Buoyancy THB 5,000
Wreck Diving THB 9,000
Deep Diving THB 9,000
Night Dive THB 1,300
Self-Reliant Diver THB 13,000
UW Photography & Video THB 37,000
IDC (Instructor Course) –
Underwater Scooter (DPV) –
Sidemount Diving –
Fun dive from THB 2,000

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

Diving with Siam Scuba Dive Center

The centre operates two custom dive boats for trips to popular local sites. Dive destinations include Twins, Chumphon Pinnacle, Sail Rock, White Rock, Japanese Gardens, and Southwest Pinnacle, as well as the wrecks HTMS Sattakut and HTMS Suphairin. Other sites visited include Shark Island, Green Rock, and Mango Bay.

On Google it holds an average rating of 4.9 from 960 reviews.

Sea temperatures in the surrounding waters range from 28°C in January to 31°C in May.

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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 (2 km)
Certification PADI 5 Star Dive Resort
Location Koh Tao, Thailand
Address 9 9, Koh Tao, Ampur, KPG 84360, Thailand
Phone 052-864-1581
Google Rating ★★★★½ 4.9 960 reviews
GPS 10.0990°, 99.8288°
Operator ID ac283549-b207-45e1-8791-35444a751eed

Sea temperature through the year

Average sea surface temperature at the coordinates of Siam Scuba 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