Datai Bay, located in the Perhentian Islands, features a well-preserved reef and artificial reef structure surrounding the islet of Pulau Anak Datai. This shore-entry site is suitable for beginners, with depths ranging from 1 to 10 metres and an average depth of 5 metres. Snorkellers can expect mild currents and visibility between 5 and 15 metres. The habitat supports a variety of reef fish and invertebrates typical of the region. Water temperatures remain warm throughout the year, between 29 and 31C. Facilities including showers, toilets, changing rooms, and parking are available, along with local dive shops offering guided tours.

Pulau Dangli is a reef site located 3218 metres from the shore of the Perhentian Islands. Accessible only by boat, the site features depths ranging from 3 to 18 metres with an average of 9 metres. Conditions are generally calm, though visitors should be aware of potential rip currents and jellyfish. Visibility at the site varies between 3 and 10 metres, and water temperatures remain warm throughout the year, typically between 29 and 31 degrees Celsius. The site is well-suited for beginners, offering a 4 out of 5 rating for snorkelling activities.

Tanjung Rhu at Pulau Chabang in the Perhentian Islands offers shallow, calm waters suitable for beginners. Snorkelling is best conducted around the rocky edges of the island, where the habitat supports a variety of reef fish and invertebrates. The site features mild currents and water temperatures ranging from 29C to 31C throughout the year. Access is available via both shore and boat entries. Divers and snorkellers should be aware of potential hazards, including jellyfish and sharp coral. On-site facilities include parking, toilets, showers, changing rooms, a rinse station, equipment rental, a dive shop, and a cafe.

The Crimescene is a reef site located off the Perhentian Islands, Malaysia, accessible only by boat. The topography features a reef ranging from 5 to 25 metres in depth, with an average of 15 metres. The site includes an overhead environment with a cave and swim-through sections, requiring careful buoyancy control. Conditions are variable, with visibility ranging from 5 to 20 metres and currents that can shift without warning. Water temperatures remain consistent between 28 and 30 degrees Celsius. Due to the presence of sharks, strong currents, and overhead environments, divers should remain close to their guide at all times. Guided tours are available for this site.

Razorreef is a compact reef site in the Perhentian Islands, Malaysia, offering a shallow dive between 5 and 9 metres. The site is suited for intermediate divers who can manage buoyancy in variable conditions. With visibility ranging from 2 to 6 metres, the experience focuses on close-up inspection of the reef structure rather than wide-angle views. Water temperatures remain warm between 29 and 31 degrees Celsius, and currents are typically mild. Divers should exercise caution regarding sharp coral and rocks throughout the 60-minute dive. Due to the limited visibility, carrying a torch is recommended to navigate the reef safely and observe details.

Beras Laut is a shallow reef located in the Perhentian Islands, Malaysia. Mapped in 2021, the site features a topography defined by numerous rusty gorgonians. Divers and snorkellers can expect depths reaching up to 12 metres. The site is accessed by boat and is suitable for beginners due to the typically mild currents. Water temperatures remain warm throughout the year, ranging between 29C and 31C. The habitat supports a variety of reef fish and invertebrates typical of the region. Visitors should remain aware of boat traffic in the area. On-site facilities include parking, toilets, showers, and changing rooms.

Tanjung Intan is a reef site located in the Perhentian Islands, Malaysia, suitable for beginner divers. The reef extends from the surface to a maximum depth of 20 metres. Access is exclusively by boat, and divers should remain aware of local vessel traffic. The site features mild currents, though conditions can vary, and visibility is subject to change. Divers are advised to carry a surface marker buoy for safety during ascents. The habitat supports a variety of reef fish and invertebrates typical of the region. Water temperatures are warm, ranging between 28 and 31 degrees Celsius throughout the year.

The Stables is a reef and muck dive site located 1500 metres off the coast of the Perhentian Islands. Divers typically experience depths ranging from 5 to 18 metres, with an average depth of 10 metres. The site is accessed by boat and features mild currents. Visibility at this location varies between 5 and 15 metres. Water temperatures remain consistent throughout the year, ranging from 28C to 31C. The site is suitable for beginner divers, with a typical dive duration of 60 minutes. Hazards at this site include low visibility and sharp coral.