Twilight Zone in Ambon is a versatile shore-entry site featuring a combination of reef, muck, and artificial reef topography. Divers and snorkellers navigate sandy patches interspersed with coral blocks at depths ranging from 5 to 15 metres. The site is well-suited for intermediate divers and offers opportunities for night diving. Conditions vary, with visibility spanning 5 to 30 metres and mild currents. Water temperatures typically range between 27 and 30°C, though deep-water upwellings can occasionally lower temperatures to 25°C. Species recorded around this area include various ghost pipefish, frogfish, scorpionfish, and mantis shrimp. Hazards include potential entanglement, low visibility, sharp coral, and surf.

Namalatu Beach in Ambon, Indonesia, offers a accessible shore entry for snorkelers. The site features a shallow reef flat with depths ranging from 1 to 10 metres, averaging 5 metres. Conditions are generally mild, with visibility typically between 10 and 25 metres. The shoreline consists of crushed coral, and visitors should be aware of sharp coral in the water. Facilities at the beach include parking, toilets, showers, changing rooms, and a dive shop. The site is suitable for beginners and provides a relaxed environment for snorkeling, with typical sessions lasting around 60 minutes. Water temperatures remain warm throughout the year, ranging from 27C to 30C.

Pintu Kota is defined by a massive natural limestone archway extending into the sea, creating dramatic underwater topography. The site features a mix of reef, muck, and cave environments, with the base of the arch covered in soft corals. Divers can expect depths ranging from 15 to 35 metres, with an average of 25 metres. Conditions include strong currents and visibility between 15 and 30 metres. Thermoclines are common below 20 metres. Access is available by both shore and boat, located 5000 metres from the shore. The site is suitable for intermediate divers and offers night diving opportunities. Hazards include boat traffic, strong currents, and surf.

Air Manis in Ambon, Indonesia, is a muck and artificial reef site offering depths between 5 and 30 metres. The topography features a mix of artificial structures and natural rock, requiring careful buoyancy control to avoid sharp edges and to prevent sediment disturbance on the muck substrate. Divers can expect mild currents and visibility ranging from 10 to 30 metres. Both shore and boat entries are possible, and the site is suitable for intermediate divers. Night diving is a notable option here, providing opportunities to observe nocturnal activity. Due to active boat traffic, the use of a surface marker buoy is essential before ascending.

Air Manis Jetty in Ambon is a muck and artificial reef site situated around a working fishing pier. The site offers shore access and is suitable for intermediate divers and snorkellers. Depths reach up to 18 metres, with visibility ranging from 3 to 15 metres. Conditions are generally mild, though divers should be aware of boat traffic, potential entanglement hazards, overhead environments, and sharp coral. Night diving is possible at this location, with typical dives lasting around 60 minutes. Water temperatures remain consistent throughout the year, fluctuating between 27C and 30C.

Mandarin Point in Ambon, Indonesia, is a versatile site featuring a mix of muck, reef, and artificial reef topography. Snorkellers can explore depths ranging from 2 to 20 metres, with an average depth of 12 metres. The site is accessed directly from the shore and is suitable for beginners, offering mild currents and visibility between 10 and 25 metres. Water temperatures remain warm throughout the year, typically between 27 and 30 degrees Celsius. Hazards to be aware of include potential entanglement, surge, sharp coral, and periods of low visibility. The site supports night diving and provides local facilities including equipment rental, air fills, and guided tours.

Laha in Ambon offers a diverse underwater environment featuring reef, muck, and artificial reef structures. Divers can explore depths between 12 and 30 metres, with an average depth of 20 metres. Visibility typically ranges from 10 to 30 metres, and water temperatures remain warm between 27C and 30C. The site is accessible by both shore and boat. Marine life recorded here includes Spanish Dancer, Robust Ghost Pipefish, Flamboyant Cuttlefish, Eschmeyer's Scorpionfish, Warty Anglerfish, Painted Frogfish, Harlequin Shrimp, Weedy Scorpionfish, Coconut Octopus, Ornate Ghostpipefish, Wunderpus, Frogfish, Peacock Mantis Shrimp, and Ribbon Eel. Night diving is available, providing a distinct perspective of the muck sections. Beginners should remain close to guides due to moderate currents.

Hukurila Cave in Ambon, Indonesia, offers a complex underwater topography consisting of vertical walls, canyons, and a series of swim-throughs. The site features chimney-like openings that connect the reef structure. With depths ranging from 5 to 20 metres, the area is suited for advanced snorkellers and divers. Entry is possible from both shore and boat. Conditions are variable, with moderate currents and visibility typically between 10 and 25 metres. Water temperatures remain consistent throughout the year, ranging from 27 to 30 degrees Celsius.