Batu Tiga, also known as Three Rocks, consists of three distinct pinnacles, two of which break the surface. Located off Siladen Island, this site offers a challenging environment for intermediate divers and snorkellers due to strong currents and potential surf. The topography features submerged structures that descend to depths of 35 metres. Access to the site is strictly by boat. Visibility at the site typically ranges between 10 and 30 metres, with water temperatures remaining consistent between 28 and 30 degrees Celsius throughout the year. Due to the depth and current conditions, this site is best suited for experienced individuals comfortable with open-water environments.

Busa Bora, also known as Sabora, is a coral slope located on the southwest coast of Siladen Island. This protected site features mild currents and depths ranging from 3 to 18 metres, with an average depth of 17 metres. It is suitable for beginners and offers opportunities for both day and night diving. Access is available via both shore and boat entries. Divers and snorkellers should be aware of the presence of stonefish in the area. Facilities at the site include parking, toilets, showers, changing rooms, air fills, equipment rental, a dive shop, boat charter, and guided tours.

Batu Mandi is a pinnacle and reef site located off Siladen Island, Indonesia. The topography features several pinnacles rising from a sandy bottom, offering a varied underwater landscape. Divers can expect depths ranging from 12 to 30 metres, with an average depth of 20 metres. Conditions are generally mild with visibility between 10 and 30 metres. Access to this site is by boat only, and divers should remain aware of boat traffic and potential currents. The site is suitable for beginners and provides a typical dive duration of 50 minutes.

Tg Sampini is a reef dive located off Siladen Island, Indonesia. The site features depths ranging from 20 to 30 metres, with an average depth of 18 metres. Divers can expect visibility between 15 and 30 metres, supported by mild currents that make the site manageable for intermediate divers. Boat access is required to reach this location. Water temperatures remain consistent throughout the year, typically between 28 and 30 degrees Celsius. The site is best explored during morning periods when light penetration is optimal and currents are most predictable. Typical dive times at this location are approximately 50 minutes.

Simone Point on Siladen Island offers a diverse underwater landscape featuring a reef, a wall, and a pinnacle structure. Divers typically explore depths between 18 and 30 metres, where visibility ranges from 15 to 30 metres. The site experiences mild currents, though surge and swell can affect the wall sections, requiring careful buoyancy control. All dives are boat-accessible only, and guided tours are available to assist with navigation across the varied terrain. Given the site's topography and potential for surge, it is best suited for intermediate divers. Water temperatures remain consistent, typically between 28 and 30 degrees Celsius throughout the year.

Batu Pendeta is a submerged pinnacle located off Siladen Island, featuring a combination of reef, wall, and drop-off topography. The site ranges in depth from 16 to 40 metres and offers consistent visibility of 30 metres. Due to strong currents that can shift direction around the structure, this site is strictly for advanced divers with solid buoyancy control and drift diving experience. Access is by boat only. Divers should consult the crew for a briefing on current conditions before entry. Hazards include strong currents, lionfish resting in crevices, and sharks, which should be observed from a distance.

Yuki Point on Siladen Island is a diverse marine site featuring a reef, wall, and pinnacle topography. Divers can explore depths between 9 and 30 metres, with visibility typically ranging from 10 to 30 metres. The site is accessible only by boat and is suited for intermediate divers due to moderate currents and potential for strong current conditions. Marine life observed here includes ornate ghostpipefish, wrasses, Ambon cleaner shrimp, triggerfish, pink skunk anemonefish, red sea butterflyfish, humbug dascyllus, cardinalfish, and various snails. Water temperatures generally range from 28 to 30C, though occasional cold upwellings between 24 and 26C may occur, particularly during summer months. Night diving is available at this location.

Yellow Koko is a reef and drop-off site located off Siladen Island, Indonesia. Divers typically explore depths between 24 and 26 metres, where moderate currents are common. Access is strictly by boat, and visibility generally ranges from 5 to 10 metres. The site is suitable for beginners, though divers must remain close to their guide due to current fluctuations near the drop-off. Stonefish are a known hazard, so maintain neutral buoyancy and avoid contact with the reef. Species recorded around this area include wrasses, various lionfish, moray eels, and nudibranchs. Water temperatures remain warm, consistently between 28 and 30 degrees Celsius throughout the year.