Tanduk Russa on Siladen Island offers a diverse underwater environment that transitions between natural reef, muck substrate, an artificial reef, and a wreck. Designed for intermediate divers, the site ranges from 5 to 31 metres in depth with an average of 15 metres. Divers encounter mild currents and visibility typically between 10 and 25 metres. Water temperatures remain consistent between 28 and 30 degrees Celsius throughout the year. Due to the presence of sharp coral and rocks, maintaining neutral buoyancy is essential to protect the site and the diver. Boat access is required, and guided tours are recommended to navigate the distinct zones effectively. Night diving is available and provides a different perspective of the terrain.

Police Pier on Siladen Island is a shore-accessible muck diving site featuring an artificial reef structure. The site is suitable for beginners, with depths ranging from 5 to 15 metres and an average depth of 10 metres. Divers experience mild currents and visibility between 10 and 30 metres, though conditions can fluctuate. Entry is directly from the shore, where sharp coral and rocks require caution. The site is also suitable for night diving, which offers a different perspective on the artificial reef. Divers should be mindful of potential entanglement risks from loose lines or debris around the structure and maintain close proximity to their buddy due to variable visibility.

Serena Pata is a reef and muck site located 1500 metres off Siladen Island. The site features shallow reefs at an average depth of 3 metres, with the total depth ranging from 3 to 24 metres. Access is by boat only, and the site is suitable for beginners. Conditions include moderate currents and visibility ranging from 5 to 15 metres. Water temperatures remain consistent between 28C and 30C throughout the year. Divers and snorkellers should be aware of the presence of blue-ringed octopuses and the potential for strong currents during their 60-minute sessions.

Nudi Falls, located off Siladen Island, is a versatile site offering a combination of wall, reef, and muck diving. The topography features a mini wall adorned with sponges and ascidians. Divers and snorkellers can explore depths ranging from 3 to 25 metres, with an average depth of 15 metres. The site is suitable for beginners and accessible by both shore and boat. Conditions include mild currents and visibility between 6 and 25 metres. Water temperatures remain consistent, typically between 28 and 30 degrees Celsius. Night diving is permitted at this location, which is well-suited for both diving and snorkelling activities.

The Mawali Wreck is a deliberate artificial reef located off Siladen Island, Indonesia. Resting at depths between 15 and 30 metres, the wreck provides a substantial structure that attracts a variety of marine life. Divers can encounter species such as the Peacock Mantis Shrimp, Wunderpus, Ornate Ghostpipefish, Painted Frogfish, Coconut Octopus, and Flamboyant Cuttlefish. Nudibranchs like Chromodoris and Nembrotha are common, particularly from August to December. The site is accessible only by boat and features mild currents. With visibility ranging from 10 to 25 metres, this intermediate-level dive requires careful monitoring of depth and bottom time due to the wreck's structure and potential surge near the hull.

Pulau Abadi, located off Siladen Island, features a combination of natural reef structures and an artificial reef. This site is suited for intermediate divers, with depths ranging from 20 to 30 metres and an average depth of 24 metres. Divers should expect moderate currents that can intensify, requiring careful planning around tidal flows. Visibility typically ranges between 10 and 25 metres. Water temperatures remain warm, between 28 and 30 degrees Celsius throughout the year. Boat access is mandatory for this site, and divers should be aware of local boat traffic and the presence of sharks. A typical dive duration is 60 minutes.

Teluk Kembahu is a black sand muck site located off Siladen Island. This site is suitable for beginners and offers depths ranging from 5 to 20 metres, with an average depth of 12 metres. Access is by boat only, and conditions typically feature mild currents and visibility between 5 and 20 metres. The site is well-suited for both diving and snorkelling, with night diving also available. Divers and snorkellers can expect a typical dive duration of 45 minutes in water temperatures ranging from 28 to 30C throughout the year.

Critter Hunt at Siladen Island offers a blend of muck and reef diving across a depth range of 1 to 25 metres, with an average depth of 15 metres. This site requires boat access and is suited for intermediate divers due to moderate currents that can strengthen quickly. Visibility typically ranges from 10 to 20 metres, and water temperatures remain between 28 and 30 degrees Celsius. Divers should exercise caution around sharp coral and rocks. Night diving is available and often provides increased activity compared to daytime sessions. Planning dives around slack water is recommended to maintain better control and extend bottom time in shallower areas.