Ot Di Ma is a reef-based drift dive located off Kri Island, Indonesia. This site is strictly for advanced divers due to the strong currents that define the experience. Divers must be proficient in buoyancy control and reading water movement to navigate the reef effectively. Access is by boat only, and there are no shore entry options. Visibility typically ranges from 10 to 30 metres, with water temperatures remaining between 29 and 30 degrees Celsius. Before entering the water, it is essential to confirm current direction and timing with the boat crew and establish a clear exit strategy. Facilities are not confirmed, so divers should arrive fully prepared.

Rioskon is a reef and pinnacle site located off Mansuar Island in Raja Ampat. The site features depths ranging from 2 to 25 metres, with an average depth of 13 metres. Access is by boat, and the site is suitable for beginners. Divers and snorkellers can expect mild currents, though strong currents may occur. Visibility typically ranges between 10 and 20 metres. Water temperatures are consistent, remaining between 28 and 30 degrees Celsius throughout the year. Night diving is permitted at this location, with typical dives lasting approximately 45 minutes.

Sauwandarek Jetty on Mansuar Island offers a sloping reef that extends along the bay, featuring a variety of coral formations. Suitable for all skill levels, the site is accessible by both shore and boat. Divers and snorkellers can explore depths ranging from 17 to 30 metres, with an average depth of 12 metres. Marine life recorded at the site includes Napoleon Wrasse, Harlequin Sweetlips, and various nudibranch species such as Chromodoris and Nembrotha. Other sightings include Giant Moray, Titan Triggerfish, and Broadclub Cuttlefish. Conditions are generally mild with visibility ranging between 10 and 30 metres and water temperatures consistently between 28 and 30 degrees Celsius.

Manta Ridge, located off Mansuar Island, is a drift dive site featuring a reef structure and artificial reef elements. The site is suited for advanced divers due to strong currents and potential down currents. Depths range from 6 to 40 metres, with an average of 17 metres. Boat access is required to reach the site, where visibility fluctuates between 5 and 30 metres. Water temperatures remain consistently warm, between 28 and 30 degrees Celsius. Species recorded around this area include Napoleon Wrasse, various angelfish, groupers, and nudibranchs. Divers should be prepared to use reef hooks to manage the strong currents present at this location.

Otdima Reef is a drift dive site located off Kri Island in Raja Ampat, Indonesia. The topography consists of a reef and pinnacle system ranging from 10 to 30 metres in depth, with an average depth of 18 metres. This site is suitable for intermediate divers due to the strong currents often encountered. Access is by boat only. Visibility varies significantly, ranging from 7 to 30 metres. Divers should be aware of potential hazards including strong currents, sharp coral, and the risk of entanglement. Typical dive times at this location are approximately 50 minutes, with water temperatures remaining between 28 and 30 degrees Celsius throughout the year.

Manta Sandy, located near Arborek Island, consists of a mix of natural and artificial reef structures. The site is suitable for beginner divers, with depths ranging from 5 to 24 metres and an average depth of 16 metres. Visibility typically spans 10 to 18 metres, and water temperatures are consistently warm between 28 and 30 degrees Celsius. Access is by boat only. Divers should be aware of moderate currents that can strengthen quickly, requiring positioning near the reef for shelter. Hazards include jellyfish and sharp coral, so caution is advised during descent and ascent. Planning entries and exits with the boat crew is recommended due to shifting currents.

Erens New is a shore-entry reef dive located at Mansuar Island in the Raja Ampat region of Indonesia. The site features shallow, calm waters that are well-suited for beginners. Water temperatures remain warm, typically ranging between 29 and 30 degrees Celsius throughout the year. Because currents at this site can be variable, it is recommended to check local conditions before entering the water. Arriving early in the morning is often a sensible habit to encounter more settled conditions. Visibility can shift depending on the day, so divers should remain flexible. Confirm local equipment hire and facility availability before planning your visit.

Manta Point, located off Mansuar Island, Indonesia, features a combination of natural and artificial reef structures. Divers can explore depths ranging from 5 to 30 metres, with most activity concentrated in the shallower sections. Visibility typically ranges between 5 and 15 metres. The site supports a variety of marine life, including very common wrasses, common cardinalfish, and various uncommon species such as Black Velvet Angelfish, Maroon Clownfish, and several types of nudibranchs. While conditions are generally moderate, currents can run strong. Boat access is required, and divers should follow their guide's instructions regarding entry, descent, and ascent to manage the water flow effectively.