Sumpat Reef is a marine reef site located 4500 metres from shore in Singapore. This site is suitable for beginners, offering depths between 10 and 15 metres. Divers experience mild currents and visibility ranging from 5 to 10 metres. Water temperatures remain consistent between 28 and 30 degrees Celsius throughout the year. Access to the site is by boat only. Divers should exercise caution regarding buoyancy to avoid contact with sharp coral and rocks present throughout the reef structure. Ensure all boat departure arrangements are confirmed with your operator prior to arrival as there are no facilities at the site.

Tanjung Berakit is a reef dive located 4500 metres from shore in the Riau Islands. The site features a depth range of 8 to 12 metres, with an average depth of 10 metres, making it suitable for beginners. Divers access the site by boat, with typical dive times lasting 50 minutes. Visibility ranges from 5 to 10 metres, and water temperatures remain warm between 28 and 30 degrees Celsius. Currents are generally mild but can strengthen quickly. Hazards include boat traffic, sea urchins, and sharp coral. Divers should maintain proximity to their guide, avoid contact with the reef, and surface away from boat paths.

Petong Island is a reef and drift dive site located 22 kilometres from the shore. The topography features deep coral walls and sea fans, with depths ranging from 5 to 25 metres and an average depth of 15 metres. The site is sheltered by surrounding islands, which typically results in calm surface conditions. Divers should be prepared for moderate currents and potential hazards including deep water, sharp coral, and strong current. Access is by boat only, with typical dives lasting 45 minutes. Visibility at the site varies between 10 and 25 metres. The location is suitable for intermediate divers and offers a snorkel rating of 4 out of 5.