Underwater Volcano near Gapang Beach is a unique geological site where volcanic gases bubble up through the seafloor. The water temperature is noticeably warmer near these active vents, and the sulfurous bubbles create a distinct environment. The site features a reef topography ranging from 5 to 18 metres in depth, with an average of 10 metres. Access is by boat only. Conditions vary, with visibility ranging from 10 to 40 metres, and colder upwellings can occasionally improve clarity. Divers and snorkellers should be aware of moderate currents, thermoclines, and potential hazards including jellyfish, sea urchins, sharks, stonefish, and strong currents.

The Sophie Rickmers is a large, intact WWII wreck resting on a sandy bottom in Pria Laot bay. This site is reserved for advanced, deep, and technical divers, with depths ranging from 37 to 70 metres and an average depth of 48 metres. Access is by boat only. Divers encounter mild currents and visibility typically between 10 and 30 metres. Water temperatures remain consistent throughout the year, ranging from 26C to 29C. Due to the significant depth, potential for entanglement, and presence of sharp coral and stonefish, this site requires careful planning and appropriate certification for deep decompression diving.

Hot Springs at Gapang Beach is defined by thermal activity on the seafloor, where vents release warm water bubbles through the sand. The site features a combination of natural reef and artificial reef structures at depths between 4 and 18 metres, with an average depth of 10 metres. Located 50 metres from shore, the site is suitable for beginners and accessible by both boat and shore entry. Divers experience mild currents and visibility ranging from 10 to 40 metres. Species recorded around this area include peacock mantis shrimp, emperor angelfish, giant moray, and various lionfish and triggerfish species.

House Reef is a shore-entry dive site located at Gapang Beach on Pulau Weh. The site features a reef environment with an average depth of 10 metres, typically ranging between 8 and 9 metres. Conditions are generally mild, though divers should be aware of potential surf, sharp coral, lionfish, and stonefish in the area. The site is suitable for beginners and supports night diving activities. Water temperatures remain consistent throughout the year, ranging from 29C to 30C. Access is straightforward from the shore, making it a convenient location for those based at the nearby dive facilities.

House Reef at Gapang Beach is a versatile site featuring a combination of natural reef, artificial structures, and muck diving environments. Suitable for beginners, the site offers an average depth of 7 metres with a maximum of 18 metres. Shore entry is convenient, with facilities including equipment rental, air fills, and rinse stations available nearby. Visibility typically ranges from 15 to 40 metres, occasionally improving during colder upwellings. The site supports night diving and is well-regarded for snorkelling. Divers should be aware of potential hazards including sea urchins, sharp coral, and stonefish. Currents are generally mild, making for a relaxed 60-minute dive experience.

Limbo Gapang is a reef and pinnacle site located 60 metres off Gapang Beach, Indonesia. The site features a depth range of 7 to 13 metres, with an average depth of 10 metres, making it suitable for beginners. Access is by boat, and divers can expect mild currents and visibility ranging from 15 to 30 metres. The water temperature remains consistent between 29 and 30 degrees Celsius throughout the year. Night diving is available at this location. Divers should be aware of the presence of jellyfish and stonefish. Local facilities include air fills, equipment rental, and guided tours.

Batee Gua is an underwater pinnacle located off Iboih Beach, Pulau Weh. The site features a reef structure starting at 12 metres and extending to 30 metres. Due to the strong currents, this site is suitable for advanced divers. Visibility typically ranges from 10 to 30 metres, with colder upwellings occasionally providing increased clarity. Entry is possible via both shore and boat. The site is suitable for both diving and snorkelling, with a typical dive duration of 60 minutes. Water temperatures remain consistent throughout the year, ranging between 28C and 30C.

Tugboat Wreck is an artificial reef located 100 metres off Gapang Beach, Indonesia. Resting at a consistent depth of 14 metres, the site is suitable for beginners and those new to wreck diving. Visibility typically ranges from 10 to 30 metres, and the site is generally free of strong currents. Access is by boat, and divers should be aware of active boat traffic in the area. Always use a surface marker buoy when ascending and maintain proximity to your group. The wreck and surrounding reef structures feature sharp edges, requiring careful buoyancy control to avoid contact.