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.

Trinta Réis is a dynamic dive site off Fernando de Noronha that features a combination of wall and reef topography. Designed for intermediate divers, the site is accessed exclusively by boat. Divers can expect depths ranging from 12 to 22 metres with visibility typically between 20 and 30 metres. The site is defined by its moderate current, which can strengthen, requiring divers to manage their positioning along the wall. Water temperatures remain consistent between 27 and 29 degrees Celsius throughout the year. Due to the potential for strong currents, divers should brief with their guide regarding tidal conditions before entry and remain close to the boat at all times.

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.

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.

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.

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.

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.