Gầm Ghì West is a reef site located in the An Thoi Archipelago, Vietnam, offering a relaxed environment for divers. The reef structure extends from 3 to 14 metres, with an average depth of 5 metres, making it suitable for beginners. Visibility typically ranges between 10 and 30 metres, supported by mild currents. Water temperatures remain warm throughout the year, between 28 and 31 degrees Celsius. Access to the site requires a boat. Night diving is available, providing an opportunity to observe the reef after dark. Divers should wear protective footwear to avoid sharp coral, rocks, and sea urchins, and remain aware of potential jellyfish and venomous marine life.

Gam Ghi Island, located in the An Thoi Archipelago, features a shallow coral reef system suitable for both divers and snorkellers. The site offers depths ranging from 1 to 15 metres, with an average depth of 8 metres. Access is strictly by boat due to its distance from the shore. Conditions are generally mild, though visibility can fluctuate between 5 and 35 metres. The habitat supports a variety of reef fish and invertebrates typical of the region. Divers and snorkellers should be aware of potential hazards including boat traffic, jellyfish, and sharp coral structures. A typical dive session lasts approximately 45 minutes.

Buom Island is a marine protected area featuring a combination of natural reef and artificial reef structures. Located within the An Thoi Archipelago, the site offers depths ranging from 3 to 15 metres with an average of 7 metres, making it suitable for beginner divers. Visibility typically ranges between 5 and 10 metres. Water temperatures are warm, remaining between 28 and 31 degrees Celsius throughout the year. Access is exclusively by boat, and while currents are generally mild, they can become strong. Divers should monitor their depth and remain close to their guide due to potential surges.

Fingernail Island in the An Thoi Archipelago features a reef system ranging from 1 to 14 metres in depth, with an average of 10 metres. This site is accessible only by boat and is suitable for beginners due to mild currents and manageable conditions. Visibility varies between 5 and 25 metres. Water temperatures remain warm throughout the year, typically between 28 and 31 degrees Celsius. Divers should be aware of boat traffic and maintain proximity to their vessel. The reef supports a variety of reef fish and invertebrates typical of the region. A standard dive at this location lasts approximately 40 minutes.

South Pineapple Point in the An Thoi Archipelago is a reef and drift site suited for advanced divers. The topography ranges from 7 to 35 metres, with an average depth of 12 metres. Strong currents are a defining feature of this location, requiring solid buoyancy control and drift-diving experience. Visibility varies significantly, ranging from 5 to 25 metres depending on local conditions. Access is by boat only, and divers should consult with their crew regarding current direction and speed before descending. Due to the current strength and boat traffic, the use of a surface marker buoy is recommended for all ascents.

Pineapple Island in the An Thoi Archipelago offers a combination of reef and wall topography. The site reaches depths of up to 35 metres, with an average depth of 10 metres. Access is exclusively by boat, as the site is located 26 kilometres from the shore. Divers should be prepared for moderate currents and variable visibility, which ranges from 5 to 25 metres. Water temperatures are warm throughout the year, typically between 28C and 31C. This site is suited for intermediate divers due to the depth and current conditions. The habitat supports a variety of regional reef fish and invertebrates.

North Pineapple Point is a shallow reef located in the An Thoi Archipelago, Vietnam. Reaching depths of 5 to 12 metres with an average of 8 metres, this site is well suited to beginner divers. Access is by boat, and the site features mild currents that allow for comfortable navigation. Visibility varies between 5 and 20 metres, and water temperatures remain warm throughout the year, ranging from 28 to 31 degrees Celsius. Divers should exercise caution regarding buoyancy to avoid contact with sharp coral and rocks present across the reef structure. Guided tours, equipment rental, and air fills are available for those visiting the area.

Nudibranch Garden is a reef site located in the An Thoi Archipelago, Vietnam, offering a shallow dive experience suitable for beginners. The site features depths ranging from 5 to 12 metres, with an average of 8 metres. Divers access the reef via boat, encountering mild currents and visibility between 5 and 10 metres. The water temperature remains warm, between 28 and 31 degrees Celsius. Divers should exercise caution regarding sharp coral and rocks on the reef bottom. Local facilities include a dive shop providing equipment rental and air fills. Typical dives at this location last approximately 40 minutes.