Hiroshi East End is a reef and wall site located 200 metres from the shore of Kosrae. The topography features a wall that descends from 4 metres to 21 metres, offering visibility between 30 and 60 metres. Divers and snorkellers can access the site by boat or from the shore, where protective footwear is recommended to navigate the reef substrate. Conditions are generally mild, with water temperatures ranging from 29 to 30 degrees Celsius. The site is suited to intermediate skill levels. Hazards include the presence of jellyfish and sharks, requiring divers to remain observant throughout their 60-minute dives.

Hiroshi West End is a reef and wall site located in Kosrae, Micronesia, offering depths between 2 and 13 metres. The site is accessible from the shore, though boat entry is recommended to avoid surf and shore break at the water edge. Divers experience visibility ranging from 30 to 66 metres, allowing for clear views of the wall structure. Water temperatures remain consistent between 29 and 30 degrees Celsius throughout the year. While currents are generally mild, they can strengthen during a dive. The site is suitable for beginners and supports night diving. A dive shop is located on-site to provide briefings on current conditions.

Shark Island in Kosrae is a challenging site featuring a steep wall and drift diving. The topography drops to depths between 20 and 30 metres, with an average depth of 18 metres. Divers experience strong currents that require careful management, making this location suitable for intermediate divers. Visibility is high, ranging from 30 to 60 metres. Access is by boat only, and guided tours are recommended due to the shifting intensity of the currents. Night diving is permitted at this site. Local facilities include air fills and equipment rental.

Old Clam Farm in Kosrae offers a combination of natural coral reef and artificial reef structures. Suitable for beginners, the site features depths ranging from 2 to 15 metres with an average of 10 metres. Divers experience mild currents and visibility typically between 30 and 60 metres. Water temperatures remain consistent at 29 to 30 degrees Celsius. While shore entry is possible, a boat is recommended to avoid significant surf and shore break at the coastline. Divers should exercise caution around sharp coral to prevent damage and personal injury. Full facilities including showers, changing rooms, and rinse stations are available on site.

Walung Drop Off is a boat-access reef located on the remote coastline of Kosrae. The site features a wall structure that descends from 10 to 30 metres, with an average depth of 15 metres. Divers encounter moderate currents along the reef face, which require solid buoyancy control to manage. Visibility typically ranges between 15 and 30 metres. This site is suitable for intermediate and advanced divers, with night diving also available. Water temperatures remain consistent between 29 and 30C throughout the year. Divers should remain aware of the significant depth and potential for intensifying currents. Sharks are present at this location, and operators should be consulted for current sighting information.