The Hardeep, also known as the SS Suddhadib, is a shipwreck lying 300 metres off the Samae San Islands. This artificial reef sits at depths between 16 and 32 metres, with an average depth of 27 metres. Due to strong currents and potential overhead environments within the structure, this site is suitable only for advanced divers. Visibility is highly variable, ranging from 3 to 30 metres, and thermoclines are common below 20 metres. The site supports a variety of marine life typical of the region, including reef fish and invertebrates. Boat access is required for all dives, which typically last around 30 minutes.

Soldier’s Cabin Bay in the Samae San Islands offers a combination of reef and muck diving environments. Located 1500 metres from shore, this site is accessible only by boat. Divers can expect depths between 5 and 12 metres, with an average of 8 metres, making it suitable for beginners. Conditions are generally manageable with mild currents, though visibility fluctuates between 5 and 15 metres. The site features both sandy bottom areas and reef sections. Night diving is available and often recommended for observing nocturnal activity. Divers should remain cautious of boat traffic when surfacing and be mindful of sharp coral and rocks during the dive.

Koh Rong Nang in the Samae San Islands offers a varied underwater experience featuring a reef wall and drop-off. The site reaches depths of 29 metres, with an average depth of 15 metres. Divers encounter moderate currents that can strengthen quickly, particularly along the wall, requiring good buoyancy control and situational awareness. Visibility ranges from 10 to 30 metres, and the site is accessible only by boat. With water temperatures between 28 and 31C, it is suitable for intermediate divers. Night diving is also available at this location. Guided tours and boat charters are recommended to navigate the changing conditions effectively.

Laem Farang is a reef dive site in the Samae San Islands, Thailand, offering a straightforward experience for beginners. The site features depths ranging from 5 to 14 metres, with an average depth of 10 metres. Divers can expect mild currents and visibility typically between 10 and 20 metres. Access to the site is by boat only, located approximately 5 kilometres from the shore. The underwater environment consists of coral formations that support a variety of reef fish and invertebrates. Given the moderate conditions and shallow profile, it provides ample bottom time for divers to explore the reef structure.

Samae San Islands offer a diverse underwater environment featuring reefs, wrecks, walls, and drop-offs. Located 8000 metres from shore, this site requires boat access and is suitable for beginners, with depths ranging from 5 to 28 metres and an average of 15 metres. Divers encounter moderate currents and visibility between 5 and 25 metres. The habitat supports a variety of reef fish and invertebrates typical of the Gulf of Thailand. Water temperatures remain warm throughout the year, ranging from 28C to 31C. Hazards include boat traffic, strong currents, and potential overhead environments in wreck areas. Guided tours and air fills are available locally.

Boran Beach features a combination of natural reef and artificial structures located 6,000 metres from shore in the Samae San Islands. The site is suitable for beginners, with depths ranging from 2 to 13 metres and an average of 10 metres. Divers and snorkellers can expect mild currents and visibility between 5 and 15 metres. Access is by boat only. The artificial reef structures provide additional habitat for marine life, requiring careful navigation to avoid sharp coral and rocks. Typical dives last approximately 45 minutes. Divers should avoid touching the reef for stability and remain mindful of fin placement in shallower areas to prevent accidental contact.

Koh Chuang is a reef site located in the Samae San Islands, offering a accessible environment for beginner divers. The site features depths ranging from 5 to 18 metres, with an average depth of 8 metres. Access is strictly by boat, and divers should remain aware of active boat traffic in the area. While currents are generally mild, they can strengthen, requiring divers to stay close to the reef structure. Visibility is variable, ranging from 3 to 25 metres. Divers should use a surface marker buoy during ascents to ensure visibility to passing vessels. The site is well-suited for those seeking a relaxed reef dive in the Gulf of Thailand.

Ao Yui is a boat-access site in the Samae San Islands offering a mix of reef, drift, and muck diving. The site features a compact depth range of 5 to 12 metres, with an average depth of 8 metres. Divers encounter moderate currents that require solid buoyancy control and constant monitoring of position relative to the reef. Visibility varies between 3 and 10 metres, making it best to stay close to the substrate. The site is home to various nudibranchs, including Doto, Melibe, Costasiella, Janolus, and Bornella cf. adamii, alongside yellow and black seahorses found among hard coral formations.