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.

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.

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.

Twin Peaks in Kwajalein Atoll features a reef starting at 5 metres that transitions into a wall dropping to 45 metres. This site is suited for intermediate divers, offering a varied profile with visibility ranging from 15 to 40 metres. Moderate currents are common, which can accelerate along the wall face. Divers should maintain buoyancy control to avoid sharp coral and rock edges. Water temperatures remain stable between 28 and 30 degrees Celsius throughout the year. The site is accessible by both shore and boat, and night diving is permitted. Divers should be aware of the presence of sharks and the potential for changing current conditions.

Marita Shoals is a shallow reef site located within Kwajalein Atoll. Accessible only by boat, this location features moderate currents that require intermediate buoyancy skills to navigate safely. Divers should remain aware of sharp coral structures throughout the dive. Visibility at the site can reach up to 30 metres, providing clear sight lines across the reef. Water temperatures are consistent, ranging between 28 and 30 degrees Celsius. As conditions can change rapidly, it is essential to coordinate with your boat operator regarding current direction and timing before entry. Divers must arrive fully equipped, as there are no facilities available at this remote location.

R-Buoy Coral Head is a reef site located in Kwajalein Atoll, Marshall Islands. The topography features a coral head that drops from 8 metres to 25 metres, with an average depth of 14 metres. Divers can expect moderate currents and visibility ranging from 10 to 30 metres. Water temperatures remain consistent between 28 and 30 degrees Celsius throughout the year. Due to the presence of sharks, sharp coral, and moderate currents, this site is suited for intermediate divers with strong buoyancy control. Access is possible via boat or shore, though divers must remain alert for boat traffic and deploy a surface marker buoy when surfacing.

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.

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.