German Channel is a man-made passage through the reef at Ngemelis Islands, Palau, functioning as a natural funnel for strong currents. This drift dive ranges from 3 to 40 metres, with an average depth of 18 metres. Divers encounter a variety of marine life including Napoleon wrasse, barracuda, groupers, and various species of triggerfish, wrasses, and butterflyfish. Crocodile fish and crab-eye goby are also present. Due to the strong currents and boat traffic, this site is suited for intermediate divers. Boat access is required, and dives typically last 60 minutes. Visibility ranges from 10 to 30 metres, with water temperatures between 28 and 30 degrees Celsius.

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.

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.

New Drop Off is a vertical wall dive located on the outer edge of the Ngemelis Islands. The reef shelf begins at 1 metre and descends to 40 metres, offering a transition from a shallow coral terrace to a deep vertical face. Divers typically experience moderate currents and visibility ranging from 20 to 40 metres. Marine life includes Napoleon wrasse, Clown triggerfish, Regal angelfish, Titan triggerfish, Giant moray, and Harlequin sweetlips. Wrasses, Unicornfish, and Groupers are also common. Divers should monitor depth carefully and conduct safety stops on the shallow terrace at 3 to 5 metres to avoid accelerating currents at the wall edge.

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.

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.

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.

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.