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.

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.

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.

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.

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.

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.