Aquarium, located off the northern coast of Pemba Island, offers a diverse underwater experience by combining a coral reef with a muck substrate. Suitable for beginners, the site features depths ranging from 5 to 18 metres, with an average of 10 metres. Divers encounter mild currents and visibility typically between 10 and 30 metres. The reef supports various reef fish, while the muck sections provide habitat for leaf scorpionfish, regal angelfish, wrasses, and anemonefish including twoband and pink skunk varieties. Night diving is available at this location. Access is by boat only, and divers should be aware of sharp coral and potential pockets of low visibility.

Snapper Point is a reef system located off Pemba Island, Tanzania, offering depths between 5 and 16 metres. The site is accessible only by boat, and divers should be prepared for moderate currents that can shift in strength and direction without warning. Visibility at the site typically ranges from 20 to 40 metres. Due to the presence of sharks and the potential for strong currents, this site is best suited for intermediate divers. Divers should coordinate closely with their guide to establish a bail-out plan and monitor water conditions throughout the dive.

Fundo Gap is a deep marine dive site located off Pemba Island, Tanzania. Accessible only by boat, this site is suited for experienced divers due to the strong currents encountered at depth. The topography consists of a drop-off ranging from 25 to 45 metres. Visibility is generally consistent at 30 metres. Water temperatures fluctuate between 25C and 28C throughout the year. Given the depth and current conditions, this site is not recommended for beginners or snorkellers. Divers should be prepared for challenging conditions typical of this exposed offshore location.

Mandela Wall is a boat-access wall and reef site located off Pemba Island. The topography features a wall dropping from 6 metres to a maximum depth of 22 metres, with an average depth of 14 metres. Divers should be prepared for strong currents that can accelerate with little warning. Visibility ranges from 10 to 30 metres, providing clear views of the wall structure. The site is suitable for beginners, though guided tours are recommended to manage drift timing. Water temperatures remain between 26 and 29 degrees Celsius throughout the year. Hazards include potential down currents, boat traffic, and sharp coral. Divers should avoid contact with the reef and canyon swim-throughs.

Njao Gap is a reef and wall site located in the channel between Njao Island and Pemba Island. The topography features dramatic coral slopes, with shallow sections between 5 and 10 metres containing a variety of hard and soft corals. The site reaches depths of up to 40 metres, with an average depth of 12 metres. Due to strong currents, this location is suited for intermediate divers and requires boat access. Visibility typically ranges from 15 to 30 metres. The site is also suitable for snorkelling. Divers should be aware of risks associated with deep diving, including decompression and nitrogen narcosis.

Swiss Reef, located off the northern coast of Pemba Island, is a drift dive site featuring a combination of wall and reef topography. Divers typically explore depths between 15 and 25 metres, with visibility ranging from 10 to 30 metres. The site is defined by strong, variable currents and surge, requiring intermediate to advanced skills and careful buoyancy control. Species recorded around this area include wrasses, Indian lionfish, regal angelfish, leaf scorpionfish, and various anemonefish. Night diving is available at this location. Boat access is required, and divers are advised to carry a reef hook and surface marker buoy due to the dynamic current conditions.

The Blue Hole is a natural circular reef formation located 250 metres offshore from Pemba Island. This site features a shallow reef flat surrounding a central depression that reaches depths of 5 to 12 metres, with an average depth of 8 metres. The sheltered environment provides visibility ranging from 20 to 40 metres and mild currents, making it suitable for beginners and snorkellers. Divers can access the site by boat or from the shore. Hazards at this location include jellyfish, sea urchins, and sharp coral. Guided tours and air fills are available through local facilities.

Kwanini Reef is a protected marine conservation area located off Pemba Island, Tanzania. This site features a shallow reef structure and an artificial reef, with an average depth of 5 metres and a maximum of 10 metres. It is suitable for beginners and offers shore access. Visibility is generally good, ranging from 20 to 40 metres, with mild currents. Species recorded around this area include wrasses, various butterflyfish, anemonefish, and scorpionfish. Facilities at the site include parking, toilets, showers, changing rooms, a rinse station, and a dive shop offering equipment rental and guided tours. The site is open for night diving, with typical sessions lasting 45 minutes.