Cabeço Submarino is a reef formation located off the coast of Sueste Bay in Fernando de Noronha. This site is accessible only by boat and is suited for advanced divers due to strong currents. The topography allows for a spiral ascent along the reef structure, reaching depths between 8 and 23 metres with an average of 15 metres. Visibility typically ranges from 15 to 30 metres. Species recorded around this area include nurse sharks, green and chain morays, great barracuda, French angelfish, blue tang, black durgeon, groupers, spiny lobsters, peacock flounder, scrawled filefish, stoplight parrotfish, and various wrasses.

Ilha do Frade is a reef dive site located on the outside sea of Fernando de Noronha, Brazil, directly in front of Atalaia beach. This site requires boat access and is suitable for advanced divers due to moderate currents. Depths range from 8 to 21 metres, with visibility varying between 5 and 30 metres. Water temperatures remain consistent throughout the year, ranging from 27C to 29C. Species recorded around this area include nurse sharks, French angelfish, Brazilian reef octopus, chain moray, great barracuda, green moray, wrasses, groupers, black durgeon, blue tang, spotfin butterflyfish, Christmas tree worms, spiny lobster, and honeycomb cowfish.

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.

Buraco do Galego is a natural volcanic pool situated on the rocks at Praia do Cachorro in Fernando de Noronha. This small, deep hole is accessible from the shore and is best experienced during low tide. The site reaches an average depth of 3 metres, with a maximum depth of approximately 3 metres. Conditions vary, and snorkelers should be aware of potential hazards including surf, strong currents, and sharp coral. Facilities available at the location include showers, a rinse station, a cafe, and a dive shop. The site is suitable for beginners, with typical snorkel sessions lasting around 30 minutes.

Iuias is a drift dive located off Fernando de Noronha, Brazil, characterised by strong currents that sweep divers along the reef. The site ranges in depth from 12 to 25 metres, with an average depth of 18 metres. Visibility can reach up to 50 metres, providing extensive sightlines. Due to the challenging current and depth profile, this site is suitable only for advanced divers. Access is strictly by boat, and divers must coordinate entry and exit timing carefully with their skipper, as the current can make repositioning difficult. Infrastructure at the site is not guaranteed, so confirm facility availability locally before planning a trip.

Morro de Fora is a reef dive located in Fernando de Noronha, Brazil, offering a varied reef profile suitable for beginner divers. The site features depths ranging from 6 to 16 metres, with an average depth of 10 metres. Access is strictly by boat. Divers can expect mild currents and visibility that varies between 10 and 50 metres. Water temperatures are warm, typically between 27 and 29 degrees Celsius. Due to the presence of potentially dangerous marine life, divers should consult their boat operator for a pre-dive briefing regarding local hazards and appropriate behaviour. Ensure all necessary equipment and supplies are organised before departure as facilities at the site are unconfirmed.

Caieiras is a reef dive site located 1000 metres offshore in Fernando de Noronha, Brazil. Suitable for beginners, the site features depths ranging from 8 to 18 metres with an average of 17 metres. Divers access the reef via boat, where they encounter mild currents and visibility typically between 25 and 50 metres. Water temperatures remain consistent throughout the year, ranging from 27 to 29 degrees Celsius. The site is rated 5 out of 5 and requires a boat charter for access. Divers should be aware of sharp coral present at the site. Typical dives last approximately 40 minutes.