S-Buoy Coral Head is an exposed reef site in Kwajalein Atoll, accessible only by boat. The topography features a coral head ranging from 5 to 36 metres, allowing divers to transition from shallow reef exploration to deeper sections during a single 45-minute dive. Visibility typically spans 20 to 40 metres. Divers should expect moderate currents that may strengthen unexpectedly, necessitating careful planning and the use of a surface marker buoy. Hazards include sharks and potential entanglement risks within the reef structure. Water temperatures remain stable between 28 and 30 degrees Celsius. Always confirm local base access and facility availability before planning a trip to this site.

Bravo Buoy in Kwajalein Atoll offers a dual-environment experience, featuring both natural reef formations and artificial reef structures. This site is suitable for intermediate divers who can manage variable currents and shifting visibility. Water temperatures remain consistent between 28 and 30 degrees Celsius throughout the year. Access is exclusively by boat, and divers should coordinate with local operators to confirm conditions before departure. When navigating the site, maintain buoyancy to avoid contact with sharp coral and the rough edges of the artificial structure. Be mindful of potential jellyfish in the water column and exercise caution near the seabed to avoid sea urchins.

ER-2 Coral Head in Kwajalein Atoll features a combination of natural reef and artificial structures at depths between 7 and 15 metres. This site is suitable for beginner divers, offering visibility ranging from 24 to 50 metres and mild currents. Shore entry requires caution due to potential shore break and surf. Divers should maintain neutral buoyancy to avoid contact with sharp coral and rock edges, which pose risks to both equipment and skin. Water temperatures remain warm throughout the year, typically between 28 and 30 degrees Celsius. Species recorded around this area include wrasses, anemonefish, butterflyfish, nudibranchs, and various crustaceans.

North Loi Coral Head in Kwajalein Atoll is a shallow reef accessible directly from the shore. The site is suitable for beginners, though divers should remain aware of moderate currents and navigate carefully to avoid contact with sharp coral and rocks. Water temperatures remain stable between 28 and 30 degrees Celsius throughout the year. Marine life recorded at this site includes the painted frogfish, day octopus, zebra lionfish, and various nudibranch species such as Chromodoris and Tryon's Hypselodoris. Divers may also encounter wrasses, triggerfish, mantis shrimp, and pink skunk anemonefish. Always check with local staff regarding current visibility and entry conditions before planning a dive.

T-Buoy Coral Head is a reef site located within the sheltered waters of Kwajalein Atoll. Accessible directly from the shore, the site features a central coral head that serves as the primary focal point for divers. Conditions are generally warm, with water temperatures ranging between 28 and 30 degrees Celsius throughout the year. Divers should be prepared for a moderate current that requires careful positioning on the reef. Entry requires caution due to sharp rocks along the shoreline, and appropriate footwear is recommended. This site is suited for intermediate divers who can manage current flow during a shore-based dive.

SAR Coral Head in Kwajalein Atoll offers a reef structure that descends from a shallow 5-metre top to a maximum depth of 50 metres. Divers typically experience mild currents and visibility ranging from 15 to 30 metres. The site is accessible via shore entry, with a dive shop and air fills available on-site. Marine life recorded at this location includes wrasses, groupers, manybar goatfish, and various snails. Divers may also encounter the pink skunk anemonefish, twoband anemonefish, and the triple-banded split-tooth dorid. Sharks are present at this site and require diver awareness. The site is suited for intermediate divers, with an average depth of 30 metres and typical dive times of 45 minutes.

Troys Coral Head is a reef pinnacle located in the Kwajalein Atoll, featuring a structure that ranges from a shallow 5-metre cap down to 50 metres. The site is accessed exclusively by boat, with divers entering the water directly from the vessel. Visibility is consistently 30 metres, while water temperatures remain between 28 and 30 degrees Celsius. Due to variable currents and depths reaching 50 metres, this site is suited for intermediate divers with strong buoyancy control. Divers should exercise caution regarding sharp coral and rocks on the reef structure and maintain a safe distance from sharks present in the area.

Barracuda Coral Head is a shallow reef site located in Kwajalein Atoll, Marshall Islands. Divers access this site directly from the shore. Conditions are generally warm, with water temperatures ranging between 28 and 30 degrees Celsius and visibility typically between 10 and 30 metres. The site is suited for intermediate divers, as the current can shift without warning. Hazards include the presence of sharks and sharp coral structures, requiring careful buoyancy control to avoid contact with the substrate. Divers should arrive self-sufficient with all necessary equipment, including a surface marker buoy, as facilities are unconfirmed. Species recorded around this area include wrasses, anemonefish, nudibranchs, and various invertebrates.