Ilha do Arvoredo is a protected marine reserve offering diverse topography including reefs, walls, caves, and artificial structures. Depths range from 2 to 30 metres, with an average of 11 metres. Visibility is highly variable, fluctuating between 4 and 25 metres. Divers must access the site via boat, as it is located 11 kilometres from the shore. The presence of caves creates an overhead environment, and moderate currents are common. Due to these conditions and frequent thermoclines, the site is suited for intermediate divers. Guided tours and boat charters are available, and night diving is permitted.

Toca do Frade is a wall and cave site located at Ilha do Arvoredo. The topography features a large wall starting at 12 metres, which contains numerous crevices and caves. The deeper sections of the site reach 25 metres and are characterised by large rocky outcrops. Due to the site's location at the junction of the Falklands Current and the Brazil Current, water temperatures fluctuate between 18C and 26C. Visibility ranges from 5 to 20 metres. This site requires boat access and is suited for intermediate divers due to moderate currents and the presence of overhead environments. Species recorded around this area include French Angelfish, Dusky Grouper, and Atlantic Spadefish.

Pedras Pretas is a reef site located off Ilha do Arvoredo, featuring depths between 15 and 19 metres. The topography consists of rocky reef structures with sandy margins. Divers should be prepared for moderate currents that can intensify, requiring careful planning to manage the outward and return legs of the dive. Visibility at the site fluctuates between 5 and 15 metres. Due to the presence of strong currents and specific environmental hazards, this site is suited for advanced divers. Access is exclusively by boat. Divers must maintain awareness of the overhead cave environment and monitor depth to mitigate risks.

Vidal is a diverse dive site located at Ilha do Arvoredo, featuring a varied topography of rocks ranging from small formations to submerged cliffs. The site reaches depths between 5 and 30 metres, with an average of 15 metres. A notable cave is situated at a depth of 5 metres. Within the shallower bay area, depths can reach as little as 2 metres. Access is by boat only, located 11 kilometres from the shore. Conditions include mild currents and visibility ranging from 5 to 20 metres. Species recorded around this area include dusky grouper, French angelfish, Atlantic spadefish, snake eel, spiny lobster, wrasses, stargazer, bream, porkfish, tompot blenny, bigeyes, goatfish, grunt, and sea star.

Parcel do Engenho at Ilha do Arvoredo is a diverse reef site featuring a long rocky formation that transitions into sandy areas. The topography includes shallow natural pools as shallow as 2 metres, with depths extending to 30 metres, making it suitable for both shallow exploration and deeper dives. Access is by boat only. Divers encounter mild currents and visibility ranging from 5 to 20 metres. Water temperatures fluctuate between 18C and 26C throughout the year. Species recorded around this area include French Angelfish, Dusky Grouper, Stargazer, Atlantic Spadefish, Snake Eel, Wrasses, Spiny Lobster, Bream, Porkfish, Sergeants, Goatfish, Zoanthids, Gorette, and Sea Stars. Be aware of sharp coral present at the site.

Ponta do Meio is a boat-access reef located off Ilha do Arvoredo, Brazil. The site features depths ranging from 15 to 24 metres, making it suitable for intermediate divers with appropriate deep diving experience. Visibility typically fluctuates between 5 and 15 metres, and conditions include mild currents. Divers should be aware of sharp coral, rocks, and sea urchins on the reef. Due to surface boat traffic, the use of a delayed surface marker buoy is essential. Night diving is available at this location. Species recorded around this area include French Angelfish, Dusky Grouper, Snake Eel, Atlantic Spadefish, Stargazer, Spiny Lobster, Wrasses, Bream, Porkfish, Grunt, Tompot Blenny, Bigeyes, Goatfish, and Sergeants.

Engenho is a versatile site located at Ilha do Arvoredo, featuring a topography of rocky outcrops and sandy patches. The site includes a cave entrance at 6 metres depth, leading to narrower sections with an overhead environment. Divers can reach depths between 5 and 25 metres, with an average depth of 11 metres. Access is by boat only, situated 11 kilometres from the shore. Conditions include mild currents and visibility ranging from 5 to 20 metres. Water temperatures fluctuate between 18C and 26C throughout the year. Species recorded around this area include dusky grouper, French angelfish, snake eel, Atlantic spadefish, stargazer, spiny lobster, wrasses, bream, porkfish, goatfish, grunt, tompot blenny, bigeyes, and sea stars.

Baia Das Tartarugas is a sheltered reef and cave site located off Ilha do Arvoredo. With depths ranging from 8 to 10 metres and minimal current, it is a suitable location for beginner divers. Visibility typically spans 5 to 10 metres, allowing for exploration of the reef structure and cave features. The site is accessible year-round by boat and supports night diving. Water temperatures fluctuate between 18C and 26C depending on the season, necessitating appropriate thermal protection. Facilities including showers and changing rooms are available for divers upon their return to the boat.