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The Tarna Dive Resort

PADI 5 Star Dive Resort 📍 Koh Tao, Thailand ★★★★☆ 4.2 (958 reviews)

Photo: Nott Peera · CC BY · via iNaturalist

The Tarna Dive Resort is a PADI dive centre located on Sairee Beach in Koh Tao, Thailand. It offers courses from Discover Scuba Diving through to PADI Advanced Open Water Dive & Stay, and also runs fun dives for certified divers. According to the centre, it has the only salt water pool on the island.

Courses offered

Course Price
Scuba Diver Course THB 10,900
Discover Scuba Diving Course THB 4,200
PADI Open Water Course –
PADI Advanced Open Water Dive & Stay –

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

Diving with The Tarna Dive Resort

The centre visits dive sites including Southwest Pinnacle, Sail Rock, Shark Island, Green Rock, Hin Wong, and White Rock, as well as Twins, Tanote Bay, and The Trigger Pit (Green Rock). Trips to Koh Nang Yuan and Ang Thong National Marine Park are also available.

On Google it holds an average rating of 4.2 from 958 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: Hin Wong Bay (1 km) · Mao Bay (1 km) · Sairee Reef (2 km) · Tanote Bay (2 km) · Hin Wong Pinnacle (2 km) · Laem Thien Pinnacle (2 km)
Certification PADI 5 Star Dive Resort
Location Koh Tao, Thailand
Address 68, Tambon Ko Tao, Amphoe Ko Pha-ngan, Chang Wat Surat Thani 84360, Thailand
Phone 077 601 843
Google Rating ★★★★☆ 4.2 958 reviews
GPS 10.0956°, 99.8404°
Operator ID 87209c86-9da8-4dc9-8abc-533718cfa65e

Sea temperature through the year

Average sea surface temperature at the coordinates of The Tarna Dive Resort, 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