Goby A Crab is a reef and muck diving site located off Siladen Island. The site features a mix of reef and sandy substrate at depths ranging from 20 to 28 metres, with an average depth of 23 metres. Access is by boat only. Divers should be prepared for visibility between 5 and 10 metres and potential hazards including surge, strong currents, and sharp coral. Maintaining neutral buoyancy is essential to avoid contact with the substrate. The site is suitable for intermediate divers and supports night diving. A torch is recommended for day dives to assist in spotting cryptic life against the muck background.

Kapal Indah, located off Siladen Island, features a combination of wreck and reef topography. Divers can explore the structure at depths between 20 and 30 metres, with an average depth of 25 metres. The site is suitable for beginners, though visibility can fluctuate between 5 and 15 metres. Marine life includes common sightings of mandarinfish and Chromodoris nudibranchs, alongside uncommon species such as ornate ghostpipefish, flamboyant cuttlefish, painted frogfish, and peacock mantis shrimp. Divers may also encounter snowflake morays, harlequin sweetlips, and various lionfish. Boat access is required, and the site supports night diving. Streamline equipment to avoid entanglement risks within the wreck and remain cautious of sharp edges on the structure.

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.

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.

Bianca Point, located off Siladen Island, offers a combination of reef and muck diving environments. Divers can explore depths ranging from 5 to 30 metres, with an average depth of 17 metres. The site is accessible only by boat and is suited for intermediate divers due to the presence of boat traffic and variable visibility, which typically ranges between 10 and 25 metres. Currents at the site are generally mild. Water temperatures are consistent, ranging from 28 to 30C throughout the year. Night diving is available at this location, and the site is supported by full dive shop facilities including equipment rental, rinse stations, and air fills.

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.

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.

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.