Gili Air offers diverse underwater topography including reefs, walls, drift zones, artificial reefs, muck, wrecks, and drop-offs. Depths range from 5 to 30 metres with an average of 15 metres. Divers and snorkellers can encounter wrasses, peacock mantis shrimp, titan triggerfish, snowflake moray, yellow-edged moray, blackspotted pufferfish, unicornfish, latticed butterflyfish, white-spotted puffer, map pufferfish, semicircle angelfish, pacific trumpetfish, rock cod, and moorish idol. Access is available via shore or boat. Conditions feature moderate currents and visibility between 15 and 40 metres. Water temperatures remain warm, ranging from 27 to 29C. Night diving is permitted. Hazards include boat traffic, strong currents, sharp coral, stonefish, and lionfish.

The Japanese Wreck off Gili Air is a deep-water site resting at depths between 42 and 45 metres. This wreck is strictly for advanced divers, as the depth necessitates careful management of bottom time and decompression obligations. Access is by boat only. While currents are typically mild, surge and swell can impact the water column, particularly during descent and ascent. Visibility fluctuates between 10 and 30 metres. Species recorded around this area include various reef fish, wrasses, and invertebrates such as moray eels, lionfish, and triggerfish. Nitrox certification is required for this dive, and divers must plan their gas mix and decompression profile thoroughly before descending.

7 Seas International is a reef site located 50 metres from the shore of Gili Meno, Indonesia. The topography allows for shallow entries that descend to a maximum depth of 35 metres, with an average depth of 25 metres. Divers can expect visibility between 20 and 30 metres and water temperatures ranging from 27 to 28C. The site is suitable for beginners, though moderate currents require careful planning around slack tide. Marine life includes wrasses, which are very common, alongside uncommon sightings of peacock mantis shrimp, titan triggerfish, snowflake moray, and various pufferfish species. Night diving is available, and the site provides full facilities including equipment rental, showers, and a cafe.

House Reef at Gili Meno, Indonesia, is a shore-accessible site suitable for beginners. The reef maintains an average depth of 8 metres, with recorded depths reaching 8.9 metres. Divers and snorkellers can expect mild currents and visibility ranging from 10 to 20 metres. Water temperatures are consistent, typically between 28C and 30C throughout the year. The site supports night diving and guided tours are available through local dive shops. Visitors should remain aware of boat traffic in the area and take care to avoid sharp coral structures. A typical dive at this location lasts approximately 45 minutes.

Hans Reef, located off Gili Meno, Indonesia, is a diverse site featuring a mix of reef, pinnacle, and muck topography. Divers can explore sand gullies and artificial reef structures at depths ranging from 5 to 26 metres, with an average of 14 metres. The site supports a variety of marine life, including wrasses, triggerfish, and blackspotted pufferfish. Rarer sightings include peacock mantis shrimp, longhorn cowfish, and spotfin lionfish. Conditions are variable, with currents ranging from mild to strong, and visibility between 10 and 30 metres. Access is by boat only. Hazards include sharp coral, stonefish, and strong currents. The site is suitable for beginners and supports night diving.

Segaluh is a reef site located off Gili Meno, Indonesia, offering depths between 2 and 35 metres. Access is strictly by boat, and the site is suitable for beginners who can focus on the shallower sections. Divers typically experience mild currents and visibility ranging from 10 to 25 metres. Water temperatures generally remain between 27 and 28 degrees Celsius, though thermoclines and cold upwellings can occur. The reef features sharp coral and rocks, requiring careful buoyancy control to avoid contact with the substrate. A typical dive lasts 50 minutes. Divers should confirm departure times and equipment requirements with their local operator the evening before their planned trip.

Blue Bay, located off Gili Meno, Indonesia, features a combination of natural reef and artificial reef structures. This boat-access site is suitable for beginners, with depths ranging from 5 to 25 metres and an average depth of 15 metres. Divers experience mild currents and visibility between 10 and 30 metres. Water temperatures remain warm, typically between 27 and 29C. Hazards include jellyfish, sharp coral, and camouflaged stonefish on the seabed. Guided tours are available to help navigate the transition between the natural and artificial sections. Night diving is also permitted at this location.

Air Slope is a diverse dive site off Gili Meno, Indonesia, featuring a combination of reef, wall, and wreck structures, including an artificial reef. The site ranges from 5 to 30 metres in depth, with an average of 15 metres. Access is by boat, and the site is suitable for various skill levels, though moderate currents and variable visibility between 10 and 30 metres require careful planning. Night diving is available. Divers should be aware of potential currents and follow guide instructions closely. Facilities on site include equipment rental, air fills, showers, and a cafe.