Cordilheira do Sul at Ilha do Arvoredo features a diverse topography of reef, wall, and pinnacle formations. Reaching depths of up to 18 metres, the site is suited for intermediate divers. Conditions include mild currents and visibility typically ranging from 5 to 10 metres, though this can fluctuate. Water temperatures vary seasonally between 18C and 26C, requiring appropriate thermal protection. Access is strictly by boat, with dive shops and equipment rental available nearby. The site is also suitable for night diving, which offers a different perspective on the reef structure.

Orquídea, located at Ilha do Arvoredo, is named for the rock formations near the island that resemble an open flower. The site consists of large and medium-sized boulders that provide shelter for marine life. Divers typically explore depths ranging from 7 metres up to 12 metres at the sandy bottom further from the island. Access is by boat only, and the site is suitable for beginners due to the mild currents. Species recorded around this area include French Angelfish, Dusky Grouper, Stargazer, Snake Eel, Atlantic Spadefish, Wrasses, Spiny Lobster, Porkfish, Goatfish, Bream, Sergeants, Zoanthids, Gorettes, and Sea Stars. Be aware of boat traffic in the area.

Ilha do Arvoredo features a combination of reef and wall topography that descends from 5 to 30 metres. This site is accessible only by boat, located 11 kilometres from the shore. Divers and snorkellers should anticipate variable conditions, with visibility ranging between 5 and 20 metres and mild currents. Frequent thermoclines occur throughout the water column, causing significant temperature shifts within the 18 to 26 degree range. The site is suitable for intermediate divers, and night diving is available. Due to the potential for cold water and variable visibility, appropriate thermal protection is recommended. Boat charters are required to reach the location, and advanced certification is advised.

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.

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.

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.

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.

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.