Ferns Wall is a vertical reef structure located off the Ngemelis Islands in Palau. The site features a wall that descends from the reef top to depths between 20 and 35 metres, with an average depth of 28 metres. Divers access this location by boat. Conditions include water temperatures between 29 and 30 degrees Celsius and visibility ranging from 10 to 30 metres. The site is subject to moderate currents that can strengthen unexpectedly, requiring divers to stay close to the wall. Due to the depth and potential for strong currents, this site is best suited for divers who can manage their buoyancy and monitor their depth closely throughout the 50-minute dive.

Big Drop-Off is a vertical wall dive located along the Ngemelis Islands. The reef shelf begins at 1 metre and descends sharply to 40 metres, with an average depth of 20 metres. Divers experience moderate currents along the wall, making it suitable for beginners who stay close to the reef structure. Visibility ranges from 15 to 45 metres. Water temperatures remain between 28 and 30 degrees Celsius, though cold thermoclines may occur in January and February. Access is by boat only. Divers must remain vigilant for boat traffic when surfacing and exercise caution regarding hand placement on the reef due to the presence of lionfish and stonefish.

Turtle Cove in the Ngemelis Islands offers a diverse underwater landscape featuring a reef, wall, cave, and blue hole. Suitable for beginners, the site reaches depths of 15 to 25 metres with visibility ranging from 15 to 30 metres. Water temperatures remain consistent between 29 and 30 degrees Celsius. Access is by boat only, and the site experiences mild currents. Divers should exercise caution due to the overhead environments found in the cave and blue hole sections. Boat traffic is common in the area, requiring vigilance during surface intervals and safety stops. Due to the overhead structures, booking a guided tour is recommended to navigate the site safely.

Virgin Blue Hole in the Ngemelis Islands is a complex cavern and wall site. Divers enter through openings that funnel down to 15 metres before the floor transitions to a wall plunging into deeper water. With visibility between 30 and 50 metres, the site features light play through overhead chimneys. Marine life includes common sightings of Napoleon Wrasse and Whitetip Reef Sharks, alongside Giant Moray, Clown Triggerfish, and Harlequin Sweetlips. Due to strong currents and the overhead environment, this site is suited for intermediate divers with precise buoyancy control. Boat access is required, and divers should monitor their depth carefully while navigating the cavern structure.

Barnum's Wall is a reef wall located off the Ngemelis Islands in Palau. This drift dive site features a wall dropping to depths of 30 to 40 metres. Divers can expect moderate currents, though these can strengthen, requiring careful attention to dive computers and proximity to guides. Visibility typically ranges from 10 to 30 metres. Marine life recorded at the site includes wrasses, which are common, alongside uncommon sightings of spotfin lionfish, clown triggerfish, moorish idol, soldierfish, and emperor. Access is strictly by boat, and divers should maintain close proximity to their vessel during entry and exit due to the current.

Ngemelis Coral Gardens is a reef and wall site located within the Ngemelis Islands, Palau. The topography features a drop-off descending from 15 metres to 45 metres, with an average depth of 30 metres. Visibility is consistently 30 metres. The site is accessible only by boat and is suitable for beginners, though divers must be comfortable with moderate currents. Divers and snorkellers should exercise caution regarding boat traffic and sharp coral near the reef wall. Typical dives last 60 minutes. Due to the potential for currents to increase, it is recommended to stay close to your guide and descend promptly upon entering the water.

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.

German Channel Wall near the Ngemelis Islands in Palau is a reef and wall site suitable for beginners. Divers typically explore at depths between 17 and 25 metres, with an average depth of 18 metres. The site features a drift dive profile with mild currents, though conditions can shift. Visibility ranges from 10 to 30 metres in water temperatures between 29 and 30C. Marine life recorded here includes Napoleon Wrasse, Harlequin Sweetlips, various wrasses, groupers, and several species of triggerfish, unicornfish, and anemonefish. Night diving is available at this location. Always remain aware of boat traffic when surfacing and manage buoyancy carefully due to potential current changes.