Yellow Wall is a vertical reef face located in the Ngemelis Islands, Palau. The site extends from 10 to 21 metres in depth, with an average depth of 18 metres. Divers experience visibility ranging from 13 to 40 metres in water temperatures between 29 and 30C. This site requires boat access and is suitable for intermediate divers due to the presence of strong currents and potential down currents. Divers should remain close to the reef structure to manage current conditions and maintain awareness of their surroundings. Guided tours are recommended to navigate the wall safely and identify appropriate entry points.

Peleliu Corner is a drift dive site located at the southern tip of the Ngemelis Islands in Palau. This wall site drops to 40 metres, with an average depth of 25 metres. Divers must be prepared for strong currents and potential down currents, requiring advanced certification and strict buoyancy control. Access is by boat only, with visibility ranging from 20 to 40 metres. Species recorded around this area include Napoleon Wrasse, Emperor Angelfish, Giant Moray, Clown Triggerfish, Titan Triggerfish, Harlequin Sweetlips, Whitetip Reef Shark, Lunartail Grouper, Spotfin Lionfish, Disco Clam, Giant Trevally, Regal Angelfish, Crocodile Fish, Flame Angelfish, and Japanese Pygmy Angelfish.

Peleliu Tip is a demanding drift dive located at the southern end of the Ngemelis Islands. The site features a wall that drops from 9 to 42 metres, with an average depth of 20 metres. Due to strong currents that shift with the tide, this site is suitable only for advanced divers. Boat access is required, and divers should coordinate pick-up points downcurrent with their boat captain. A reef hook is recommended to maintain position along the wall. Visibility is generally good, ranging between 20 and 40 metres, allowing for clear observation of the reef structure and topography.

Peleliu Wall is a dramatic drift dive located off the Ngemelis Islands in Palau. The reef structure drops from 10 metres to depths of 90 metres, with an average dive depth of 30 metres. Divers experience strong currents that require careful planning and constant monitoring of depth and buoyancy. The site features swim-throughs, though these overhead environments should only be entered by qualified divers. Visibility ranges from 15 to 50 metres. Species recorded around this area include Napoleon Wrasse, Whitetip Reef Sharks, Giant Moray, and various angelfish species. Due to the challenging currents and significant depths, this site is strictly for advanced divers.

Lukes Bank is a reef and wall site located within the Ngemelis Islands, Palau. The topography drops to depths between 25 and 35 metres, with an average depth of 30 metres. This site is strictly for intermediate divers capable of managing strong, shifting currents and performing drift dives. Visibility is consistently 30 metres, and water temperatures remain between 29 and 30C. Access is by boat only, and a reef hook is recommended to maintain position in the current. Divers must monitor bottom time carefully and maintain strict buoyancy control. Sharks are present at this site, requiring divers to remain vigilant and keep their group tight throughout the 60-minute dive.

The USS Perry is a technical wreck dive located 700 metres off the Ngemelis Islands in Palau. Resting at depths between 75 and 80 metres, the site requires advanced decompression planning and strict gas management. Divers encounter strong currents that necessitate careful buoyancy control and positioning. The wreck presents an overhead environment, requiring appropriate penetration protocols. Visibility is typically around 30 metres, allowing for a clear view of the structure during descent. Access to the site is by boat only, and divers should coordinate with charter crews to monitor shifting tidal currents. This site is strictly for experienced technical divers.

Ngedebus Corner is a wall dive located at the edge of the Ngemelis Islands. The site features a shallow reef starting at 8 metres that drops sharply to 80 metres. Divers experience strong, unpredictable currents, requiring advanced buoyancy control and current-reading skills. Visibility ranges from 10 to 50 metres, providing a clear view of the vertical drop-off. Access is by boat only, and the site is suited for intermediate divers. Species recorded around this area include Napoleon wrasse, whitetip reef sharks, various angelfish, and giant trevally. Divers should exercise caution regarding sharp coral and rocks during boat entries and exits.

Ngedebus Coral Garden, located off the Ngemelis Islands, features a reef slope extending from the shallows to a depth of 25 metres. With an average depth of 10 metres and mild currents, the site is well-suited for beginners. Visibility typically ranges between 13 and 30 metres, providing clear conditions for both divers and snorkellers. Access to the site is by boat only. Water temperatures remain consistent throughout the year, fluctuating between 29 and 30 degrees Celsius. The reef structure supports a variety of marine life, including Giant Clams, Pink Skunk Anemonefish, Napoleon Wrasse, Potato Bass, Giant Moray, Mandarinfish, Emperor Angelfish, Moorish Idol, Pennant Bannerfish, and Spotfin Lionfish.