Pulau Hantu Besar features a diverse underwater environment comprising reefs, seagrass beds, and artificial structures. Located 13 kilometres from the shore, this site offers depths ranging from 2 to 20 metres with an average of 10 metres. Divers encounter moderate currents and visibility that fluctuates between 1 and 10 metres. The site is suitable for beginners and supports night diving. Access is strictly by boat, with facilities including air fills, showers, and toilets available. Hazards to note include boat traffic, entanglement risks, strong currents, and low visibility. Water temperatures remain consistent throughout the year, typically between 27C and 30C.

Pulau Jong is a challenging dive site located near Pulau Hantu Kechil, featuring a combination of reef, wall, and drift topography. Divers should be prepared for strong currents and variable visibility ranging from 2 to 10 metres. Due to these conditions, the site is suited for advanced divers. Access is strictly by boat, and divers must remain vigilant regarding boat traffic and potential entanglement hazards. The site reaches depths between 12 and 30 metres, with an average depth of 16 metres. Typical dives last approximately 50 minutes in water temperatures between 27 and 30 degrees Celsius.

Raffles Lighthouse Jetty is a marine site in the Southern Islands of Singapore featuring a combination of natural reef and artificial structures. Divers can explore depths ranging from 5 to 18 metres, with an average depth of 12 metres. The site is accessible by boat only and is suitable for beginners, though conditions can vary. Visibility typically ranges between 5 and 15 metres, and water temperatures remain warm between 27 and 30C. Divers should be aware of potential hazards including entanglement, jellyfish, and stonefish. Due to variable visibility and shifting currents, maintaining close contact with your team and monitoring your depth is essential throughout the 40-minute dive.