Tempuyungan is a reef dive in the Thousand Islands, Indonesia, suited for intermediate divers comfortable with strong currents. The site reaches depths between 18 and 28 metres, with an average depth of 23 metres. Visibility is variable, typically ranging from 5 to 10 metres. Due to the consistent presence of strong currents, boat access is required for all dives. Divers should monitor their position on the reef throughout the dive and remain alert to boat traffic upon surfacing. Water temperatures remain warm, between 29 and 30 degrees Celsius throughout the year. Local advice suggests timing dives around slack water to manage the current effectively.

Pulau Sanghyang features a combination of natural reef and artificial reef structures. Divers can explore depths ranging from 9 to 30 metres, with an average depth of 21 metres. Access to this site is by boat only. Conditions are generally stable with mild currents and visibility typically between 10 and 25 metres. Water temperatures remain consistent throughout the year, ranging from 29 to 30 degrees Celsius. The site is suited for intermediate divers. Hazards include surge and sharp coral, so careful buoyancy control is recommended during the typical 50-minute dive.

Batu Mandi in the Thousand Islands is a boat-accessed site featuring a combination of a pinnacle, reef, and drift dive. The site ranges from 3 to 30 metres in depth, with an average of 25 metres. Visibility typically spans 10 to 30 metres, allowing for clear observation of the underwater terrain. While currents are generally mild, they can strengthen quickly, requiring divers to remain close to their guide. The site supports a variety of reef fish and invertebrates typical of the region. Due to the potential for surf at the entry point and shifting currents, divers should follow guide instructions closely during boat entry and exit.

Gunung Gede is a reef dive located 1000 metres offshore in the Thousand Islands, Indonesia. This site is suitable for intermediate divers, with depths ranging from 12 to 23 metres. Access is by boat only. Divers can expect mild currents and visibility typically between 5 and 10 metres. Water temperatures remain warm throughout the year, consistently between 29 and 30 degrees Celsius. Due to the variable nature of the visibility and currents, it is recommended to check local conditions and consult with a reputable boat operator before planning a dive.

Tanjung Bajo is a reef site in the Thousand Islands, Indonesia, accessible only by boat. The reef topography slopes from shallow areas down to a maximum depth of 25 metres, making it suitable for beginner divers. Divers and snorkellers can expect water temperatures between 29 and 30 degrees Celsius. Visibility at the site typically ranges from 5 to 10 metres. A moderate current is common, so it is recommended to consult with your boat crew regarding tidal conditions before entering the water. As facilities at the site are limited, confirm all necessary equipment and support requirements with your operator prior to departure.

Kedondong is a boat-access reef dive located in the Thousand Islands, Indonesia. The site features depths ranging from 10 to 30 metres, with much of the reef activity concentrated in the shallower sections. Divers can expect water temperatures between 29 and 30 degrees Celsius and visibility typically between 5 and 10 metres. The site experiences moderate currents, making it advisable to plan dives around slack water to ensure easier conditions. This location supports a variety of reef fish and invertebrates typical of the region. Divers should confirm equipment availability and specific site conditions with their local operator prior to arrival.

Suralaya Wall in the Thousand Islands is a combined wall and artificial reef dive site. It reaches depths of 18 to 20 metres, making it suitable for beginner divers. Visibility ranges from 10 to 30 metres, and water temperatures remain warm between 29 and 30 degrees Celsius. Divers can expect to see a variety of reef fish and invertebrates associated with the wall and artificial structures. Currents are generally moderate but can strengthen quickly. Both shore and boat entries are available, though divers should check current conditions with a local operator before entering to time the dive around slack water.

Karang Serang is a reef dive in Indonesia suited for intermediate divers. The site features a reef top starting at 8 metres, sloping down to 30 metres. Access is strictly by boat, and the site is defined by strong currents that require careful planning and navigation. Visibility ranges from 10 to 30 metres. Water temperatures typically sit between 28 and 30 degrees Celsius, though divers should be prepared for thermoclines at depth. Hazards include strong currents, surge in shallower sections, and temperature fluctuations. Divers are advised to plan their route with the current and carry a surface marker buoy.