Three Sisters consists of three distinct underwater pinnacles and reef structures located in the Surin Islands. The site offers depths ranging from 5 to 30 metres, with an average depth of 18 metres. Divers encounter visibility between 10 and 30 metres. Access is by boat only, and the site is suited for intermediate divers due to the presence of swim-throughs, potential surge, and currents that can strengthen around the pinnacles. Divers should monitor air consumption closely in the deeper sections and remain near their guide. Water temperatures typically range from 26 to 30 degrees Celsius, though occasional thermoclines may occur.

The Arch in the Mergui Archipelago is a complex site featuring a reef, cavern system, and drift diving. Divers navigate depths between 5 and 22 metres, with visibility ranging from 15 to 40 metres. Strong currents are common, particularly through the arch, requiring advanced buoyancy control and careful current monitoring. The overhead cavern environment necessitates the use of a torch and a planned exit. Water temperatures typically range from 27 to 30 degrees Celsius. The site is accessible by boat and supports night diving. Due to the strong currents and entanglement risks, divers should carry a surface marker buoy and a dive knife.

South Rock is an exposed pinnacle located 7000 metres offshore in the Surin Islands. Rising from depths of 30 metres to a shallow 5 metres, this site is suited for advanced divers due to strong currents and unpredictable surges. Visibility is variable, ranging from 2 to 20 metres. The site features a reef structure that supports a variety of reef fish and invertebrates typical of the Andaman North region. Given the exposed nature of the pinnacle, boat access is required. Divers should be prepared for thermoclines and maintain close monitoring of depth gauges throughout the dive.

Relax Wall is a boat-access wall and reef site located in the Mergui Archipelago. The site features depths ranging from 5 to 19 metres, with an average depth of 12 metres. Visibility varies significantly, spanning 10 to 40 metres. While the current is generally mild, it can strengthen unexpectedly, requiring intermediate skill levels and close attention to conditions. Divers should maintain good buoyancy and careful fin placement to avoid hazards including stonefish, sea urchins, and entanglement risks. The site is suitable for night diving, with water temperatures typically between 27 and 30 degrees Celsius. Divers should monitor depth and gas supply closely, as currents can shift during the typical 50-minute dive.

East Corner is a shallow reef located in the remote Mergui Archipelago, accessible exclusively by boat. The site features depths ranging from 8 to 16 metres, with an average depth of 10 metres, making it suitable for beginner divers. Conditions are generally relaxed with mild currents, though visibility varies significantly from 5 to 50 metres. Water temperatures remain warm, between 27 and 30 degrees Celsius. Divers should maintain neutral buoyancy to avoid contact with sharp coral structures. As this is a remote location, all equipment must be brought on board your liveaboard or charter vessel, as no facilities are available on site.

Madame Beach is a reef site located in the Mergui Archipelago, Myanmar, offering depths between 5 and 19 metres with an average of 10 metres. The site is suitable for beginners due to mild currents, though conditions vary significantly. Visibility ranges from 5 to 25 metres depending on local weather and swell. While shore access is possible, local guidance recommends using a boat to avoid dangerous surf and shore break conditions. Divers should be cautious of sharp coral and rocks during entry. Water temperatures remain between 27 and 30 degrees Celsius throughout the year, requiring appropriate thermal protection.

North Point is a remote reef located in the Mergui Archipelago, accessible only by boat. The site features a reef structure extending from 5 metres to 23 metres in depth, with visibility ranging from 10 to 30 metres. Water temperatures remain consistent between 27 and 30 degrees Celsius. While average currents are mild, conditions can shift, and stronger currents may occur. Divers should monitor their depth and follow guide instructions closely. The site is suitable for beginners and supports night diving. Facilities including air fills, equipment rental, and guided tours are available for visitors.

North Rock is a remote reef and wall site in the Mergui Archipelago, accessible only by boat. The topography spans depths of 5 to 35 metres, featuring a mix of reef and wall structures. Divers should expect moderate currents that can shift or surge unpredictably, requiring strong buoyancy control and situational awareness. Visibility typically ranges between 5 and 20 metres. Due to the presence of sharp coral and surge, this site is suited for advanced divers. Night diving is possible, though no permanent facilities exist nearby. Divers must use a high-visibility surface marker buoy and coordinate a bail-out plan with their skipper due to potential boat traffic.