Bunder 1 is a reef site in the Thousand Islands featuring a gradually sloping contour. The topography consists of a combination of massive reefs and soft corals. Divers can explore depths ranging from 5 to 30 metres, with an average depth of 15 metres. Access to this site is by boat only. Conditions include mild currents and visibility that fluctuates between 5 and 25 metres. The site is suitable for beginners, with typical dives lasting around 45 minutes. Hazards to be aware of include boat traffic, currents, depth, and potential for low visibility.

Pulau Putri in the Thousand Islands offers a shallow reef and artificial reef environment suitable for beginners. Divers and snorkellers can explore depths ranging from 3 to 7 metres, with an average depth of 5 metres. The site features mild currents and visibility between 5 and 20 metres. Water temperatures remain consistent throughout the year, typically between 29 and 30 degrees Celsius. Entry is via the shore, and the site supports night diving. Species recorded around this area include various wrasses, anemonefish, butterflyfish, groupers, and sea stars. Hazards to be aware of include lionfish and sea urchins. Facilities include a dive shop, equipment rental, and guided tours.

The Cleavage offers three distinct diving directions: west, south, and south-east. The southern route features a shallow coral garden, though divers should note that tidal conditions can impact this area. Heading south-east leads to larger coral formations and a sandy bottom at a depth of 30 metres. Dives typically conclude to the south-west of the island. Water temperatures remain consistent throughout the year, ranging between 29C and 30C. Due to the varying topography and depths, this site is suitable for divers with appropriate training for deeper profiles and tidal awareness.

Kayu Angin Genteng is an uninhabited island in the Thousand Islands, Indonesia, featuring a reef environment suitable for snorkelling. Access to this site requires a boat. The water temperature remains consistent throughout the year, ranging between 29C and 30C. Species recorded around this area include wrasses, butterflyfish, anemonefish, and various invertebrates such as nudibranchs and clams. As an intermediate-level site, it offers a quiet experience away from populated areas. Snorkellers should be prepared for boat-based entry and exit procedures while exploring the reef topography.

Jetski Lagoon is a marine dive site located within the Thousand Islands, Indonesia. Water temperatures at this location are relatively stable, ranging between 29C and 30C throughout the year. While specific observations at this exact site are limited, species recorded around this area include various wrasses. Divers should be aware that conditions at this site can vary. Access to the lagoon is typically via boat from the surrounding islands. The site is suitable for those looking to explore the marine environment of the Thousand Islands, though visitors should note that the area is generally considered to have limited appeal for diving.

Coral Garden in the Thousand Islands is a reef and artificial reef site suitable for beginners. Divers and snorkellers can explore the area via shore entry, with depths typically ranging from 10 to 15 metres and an average depth of 10 metres. Conditions are generally mild with visibility between 10 and 30 metres. The site features coral nurseries and a house reef environment. Water temperatures remain consistent throughout the year, between 29 and 30 degrees Celsius. Facilities available at the location include equipment rental, a cafe, and guided tours. Be aware of sea urchins and stonefish when navigating the reef.

Pulau Genteng Besar is a reef site located in the Thousand Islands, Indonesia, offering a shallow environment suitable for beginners and snorkellers. The site features an average depth of 10 metres, with a maximum depth of 15 metres. Access is exclusively by boat, as the site is situated 30 kilometres from the shore. Divers and snorkellers can expect mild currents and visibility ranging from 5 to 25 metres. Water temperatures remain consistent between 29 and 30 degrees Celsius throughout the year. Facilities available at the location include equipment rental, air fills, and rinse stations. Due to the nature of the site, visitors should remain aware of boat traffic.

Genteng Kecil is a reef site in the Thousand Islands, Indonesia, offering depths between 5m and 25m with an average of 12m. The site is suitable for beginner divers and features a dedicated platform at 6m for skill practice. Access is by boat only. Divers may encounter moderate currents, and visibility ranges from 8m to 30m. Hazards include boat traffic, current, and low visibility. Night diving is available at this location. Species recorded around this area include wrasses, anemonefish, butterflyfish, groupers, and various invertebrates such as sea stars and slugs.