Caverna da Sapata in Fernando de Noronha offers a diverse underwater experience combining a cave system, wall, and reef. Divers navigate depths between 15 and 30 metres, with an average depth of 27 metres. The site is accessible only by boat and features moderate currents. Due to the overhead environment within the cave, this site is suited for intermediate divers with strong buoyancy control. Visibility typically ranges from 15 to 30 metres, and water temperatures remain consistent between 27 and 29 degrees Celsius. Divers should exercise caution regarding sharp coral and rocks, and always consult local operators regarding current forecasts before entry.

The Corveta V-17 Ipiranga is a technical wreck dive located 6,000 metres off the coast of Fernando de Noronha. Resting at depths between 55 and 62 metres, this site is strictly for advanced divers with deep, wreck, and trimix certifications. The wreck presents an overhead environment with potential entanglement hazards and moderate currents. Visibility ranges from 10 to 30 metres, requiring careful navigation. Access is by boat only, and due to the significant depth, bottom times are typically limited to 20 minutes. Divers must coordinate closely with guides regarding penetration routes and ensure trimix gas blends are verified for the maximum depth before departure.

Bahia do Sancho is a marine park site featuring a mix of natural reef and artificial reef structures. Divers can explore depths ranging from 7 to 30 metres, with an average depth of 16 metres. Visibility typically spans 15 to 30 metres, and water temperatures remain warm between 27 and 29C. The site is suitable for intermediate divers, with mild currents present. Entry is possible via both shore and boat. Be aware of surge in shallower sections and exercise caution around sharp coral and rocks. Due to vessel movement in the area, maintain a visible marker buoy at all times and remain vigilant for boat traffic.

Baía do Sancho is a reef site in Fernando de Noronha, Brazil, offering visibility between 25 and 50 metres. The site is suitable for beginners, with depths starting at 2 metres. Divers and snorkellers can access the reef from the shore or by boat. Conditions are generally mild, though surf and sharp coral are present as hazards. Marine life observed at the site includes common wrasses, sergeants, Sally Lightfoot crabs, and grunts. Less frequently, divers may encounter French Angelfish, nurse sharks, groupers, blue tang, scrawled filefish, zoanthids, horse eye jacks, soldierfish, and kelpfish. The bay is highly rated for snorkelling, particularly near the far-right cliff wall.

Baía dos Porcos in Fernando de Noronha is a reef site defined by dark volcanic rock formations. The site is shallow, with depths ranging from 1 to 10 metres and an average of 5 metres. Access is via the shore, and the area is well-suited for snorkelling, which holds a 5/5 rating. Divers and snorkellers should be aware of potential rip currents, surf, and sharp coral in the area. Visibility is generally good, typically between 20 and 50 metres. Water temperatures remain consistent throughout the year, ranging from 27C to 29C. The site is best explored at low tide when natural pools form among the volcanic rocks.

Laje dos Dois Irmãos is a reef and wall site located in Fernando de Noronha, Brazil, requiring boat access. Divers can explore depths ranging from 11 to 24 metres, with an average depth of 18 metres. The site features mild currents and visibility typically between 15 and 30 metres. Marine life recorded at this site includes common sightings of wrasses, grunts, and Sally Lightfoot crabs. Less frequently, divers may encounter French Angelfish, Nurse Sharks, Scrawled Filefish, groupers, Blue Tang, sergeants, soldierfish, zoanthids, Horse Eye Jacks, and kelpfish. Due to the presence of sharks, surge, and potential for strong currents, this site is best suited for intermediate divers.

Praia do Sueste is a protected bay located on the Mar de Fora side of Fernando de Noronha. This site is suitable for beginners and is accessed directly from the shore. Snorkelling is strictly regulated, with activity permitted only within a designated right-hand zone. The site features a reef environment with depths ranging from 2 to 10 metres, averaging 5 metres. Visibility is generally high, between 25 and 40 metres, though visitors should be aware of mild to strong currents. Water temperatures remain warm throughout the year, typically between 27 and 29 degrees Celsius. A cafe is available on-site for visitors.

Piscina do Morro de Fora is a natural reef pool located behind the rock formation separating Praia do Meio and Praia da Conceição in Fernando de Noronha. This site is accessed from the shore and is suitable for intermediate snorkellers. The pool features depths ranging from 3 to 5 metres, with an average depth of 4 metres. Conditions are generally calm with mild currents and visibility typically ranging between 15 and 50 metres. Water temperatures remain consistent throughout the year, fluctuating between 27C and 29C. Snorkelling sessions here typically last around 150 minutes.