Gilly Reef is a boat-accessible site located in the Tunku Abdul Rahman Marine Park, Malaysia. The reef structure sits at depths between 12 and 18 metres, with an average depth of 15 metres. Divers should be prepared for moderate currents, which can pick up quickly, making this site suitable for intermediate divers. Visibility is variable, ranging from 10 to 30 metres. Due to active boat traffic in the area, the use of a surface marker buoy is recommended for all divers. Local facilities include air fills and a dive shop on Mantanani Island, which can provide guidance on tidal flow and optimal departure times.

Lighthouse is a reef site located within the Tunku Abdul Rahman Marine Park. Accessible only by boat, the site offers depths ranging from 8 to 16 metres, with an average depth of 12 metres. Visibility at this location varies between 15 and 40 metres. The water temperature remains consistent throughout the year, typically between 27 and 30 degrees Celsius. Due to the manageable depths and conditions, this site is suitable for beginner divers and snorkellers. Typical dives last approximately 45 minutes. Guided tours and dive shop facilities are available to support visitors at this reef location.

Mari Mari Garden is a reef site located in Tunku Abdul Rahman Marine Park, Malaysia. The site features a reef structure at depths ranging from 10 to 16 metres, with an average depth of 13 metres. It is accessible only by boat. Conditions are generally calm with visibility between 5 and 10 metres and water temperatures ranging from 27 to 30 degrees Celsius. The site is suitable for beginner divers. Divers should be aware of boat traffic at the surface and exercise caution around sharp coral. Air fills, equipment rental, and guided tours are available through the local dive shop.

Rocky Point is a reef site located within the Tunku Abdul Rahman Marine Park, Malaysia. Divers typically explore this area at depths between 12 and 15 metres, with an average depth of 14 metres. Access is exclusively by boat, as the site is situated 10 kilometres from the shore. Conditions are generally manageable with mild currents and visibility ranging from 5 to 10 metres. Water temperatures are warm, fluctuating between 27 and 30 degrees Celsius. The site is suitable for beginners and supports night diving. Divers should remain vigilant for jellyfish, strong currents, and boat traffic. Exercise caution during boat entry and exit due to potential surf.

Mari Mari House Reef is a shallow reef located in Tunku Abdul Rahman Marine Park, Malaysia. Situated directly in front of the Mari Mari backpacker lodge, the site offers convenient access for both divers and snorkellers. The reef is suitable for beginners, with depths ranging from 3 to 7 metres and an average of 5 metres. Divers can expect moderate currents and visibility between 15 and 40 metres. Water temperatures remain warm throughout the year, between 27 and 30 degrees Celsius. Species recorded around this area include wrasses, Moorish idols, parrotfish, butterflyfish, and various anemonefish. Hazards include jellyfish, sharp coral, and stonefish. Equipment rental and a cafe are available on-site.

Gilly Rock is a reef site located in the Tunku Abdul Rahman Marine Park, Malaysia. The site is characterised by massive coral heads and is accessible only by boat, situated approximately 30 kilometres from the shore. Divers and snorkellers can expect depths ranging from 5 to 25 metres, with an average depth of 15 metres. Conditions vary, with visibility typically between 15 and 40 metres and moderate currents. Due to these conditions, the site is suited for intermediate divers. The water temperature remains warm throughout the year, ranging from 27 to 30 degrees Celsius.

Magic Rock is a reef and wall site located in Tunku Abdul Rahman Marine Park. Divers typically explore depths between 10 and 15 metres, with an average depth of 12 metres. Access is by boat only, and the site is suitable for beginners. Visibility is variable, ranging from 5 to 10 metres. Water temperatures remain warm, between 27 and 30 degrees Celsius. Hazards include jellyfish, sharp coral, and the potential for strong currents. A full-coverage suit is recommended for protection against jellyfish and sharp surfaces. Night diving is permitted at this location, with typical dive times lasting around 50 minutes.

Maco Point is a reef dive located in Tunku Abdul Rahman Marine Park, Malaysia. The site features a reef structure situated at depths between 15 and 20 metres, with an average depth of 18 metres. Visibility at the site ranges from 10 to 30 metres. Access is strictly by boat, and divers should be aware of potential hazards including boat traffic, rip currents, sharp coral, and surf. Due to these conditions, the site is suited for intermediate divers. Water temperatures typically range from 27 to 30 degrees Celsius. Divers should remain vigilant for boat traffic during entry and exit and avoid contact with the reef.