Koh Sak

Type:

Scuba Diving

Entry:Unknown

Difficulty:Beginner

Tags:

Reef

About This Dive Spot

This site lies a short distance from Koh Larn near Sak Island. It starts shallow with hard coral before sloping into deeper sandy areas. It’s described as suitable for open water and fun divers, with reef fish in the shallows and opportunities to search for small critters such as crustaceans and colorful nudibranchs. Going deeper, pipefish can also be found.

Planning details

Reported depth and seasonality.

Depth note

Shallow hard coral with a deeper sandy area.

Local intel

Community notes to help plan your visit.

Tailored notes for different activities.

Scuba

Suitable for open water divers as well as fun dives, with shallow reef and deeper sand areas to explore.

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Spots Near Koh Sak

📍 2.3 km

Koh Khrock

🏖️

A private island close to Koh Larn in Chonburi, offering coral diving directly from the beach as well as drift dives along the island. The site features hard coral areas and is known for frequent turtle encounters, with turtles sometimes seen resting around 6 m. Sea anemones and clownfish are also found along the coral.

📍 5.4 km

Nual beach

🏖️

This site sits on a corner of an island near Koh Larn in Chonburi. Divers can move away from the main beach area toward the island’s side, where a sandy slope leads to patches of hard coral. Marine life can include porcupinefish (often called pufferfish), spadefish, and schools of butterflyfish and bannerfish. Drift diving is possible here.

📍 11.5 km

HTMS Khram

⚓

HTMS Khram is a wreck dive located next to Koh Phai in the Pattaya Far Islands. The site is dived using ascent/descent lines connected to the ship, making navigation to and from the wreck straightforward. Conditions are described as most favorable between November and March, with visibility commonly around 8 m and sometimes increasing to about 30 m. Marine life is regularly seen around the wreck, including stingrays, batfish, scorpionfish, sweetlips, and schools of barracuda, with occasional hawksbill turtles.

📍 17.5 km

North Rock/ Lom Fang

⚓

A large underwater pinnacle that breaks the surface, offering an enjoyable dive with straightforward navigation by circling the formation. Conditions can vary sharply around the rock, with calm water on one side and strong flow on the other. The site is known for schooling fish and occasional big-animal encounters, along with plenty of small critters tucked into the pinnacle.

📍 18.6 km

Koh Rin North

Not Set

Located on the northern side of the island, this is a popular dive site commonly used for open-water training dives. It is recommended to dive here during the south west monsoon season. Marine life sightings can include a variety of small critters as well as occasional larger animals, including seahorses, pipefish, nudibranchs, turtles, and reef sharks.

📍 19.3 km

Koh Rin East

⚓

Koh Rin East is part of a group of offshore islands and rocky outcrops. It features a bay with a large sandy area and a reef that continues to an outer section near a corner. The sandy bay is described as a suitable training area for beginners, while the outer side of the reef offers an additional highlight for the dive.

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Frequently Asked Questions

What's the best entry point at Koh Sak?

Entry at Koh Sak is detailed in the spot description above. Look for specific landmarks, access paths, and any tide or condition requirements. Local divers often share updated entry tips in their dive logs.

What conditions are best for diving Koh Sak?

Optimal conditions at Koh Sak depend on several factors including tide, wind, and season. Check recent dive logs for current condition reports and patterns. Generally, calmer seas and high tide provide better visibility and easier entry.

What is the maximum depth and typical visibility at Koh Sak?

Depth and visibility information for Koh Sak can be found in the spot details and recent dive logs. Conditions can vary significantly based on weather, tide, and season. Always plan your dive according to current conditions and your certification level.

Are there any safety considerations or local etiquette at Koh Sak?

When diving Koh Sak, respect local regulations, marine life, and other water users. Be aware of any specific hazards like currents or boat traffic mentioned in the spot description. Follow Leave No Trace principles and local diving etiquette.