Ilha do Jorge Grego offers diverse underwater topography including reefs, walls, caves, and canyons. Located off Ilha Grande, this site is accessible only by boat and is suited for intermediate divers due to strong currents and depths ranging from 10 to 40 metres. Visibility typically fluctuates between 10 and 25 metres. Water temperatures remain between 19C and 23C, requiring appropriate thermal protection. Divers must remain vigilant regarding boat traffic near the surface and potential entanglement risks within the structures. Given the challenging conditions and current, thorough pre-dive briefings and a clear pick-up plan with the boat crew are essential for safety.

Fenda Jorge Grego is a demanding wall and drift site located off Ilha Grande. The topography features a reef structure that transitions into a deep wall, reaching depths of 35 metres. Due to strong and variable currents, this site is reserved for advanced divers. Visibility fluctuates between 6 and 25 metres, and water temperatures range from 19 to 23 degrees Celsius. Access is strictly by boat. Divers must manage risks including decompression, nitrogen narcosis at depth, and boat traffic. Proper buoyancy control and situational awareness are essential for navigating the changing conditions at this site.

Saco do Céu, specifically near Praia do Amor, is a calm bay on Ilha Grande known for its mirror-like surface conditions. This reef site is suitable for beginners, offering depths between 2 and 9 metres with an average of 5 metres. Divers and snorkellers can access the site by boat or from the shore. Visibility typically ranges from 5 to 15 metres, and currents are generally mild. The site is suitable for night diving, during which the calm water reflects the night sky. Due to the presence of boat traffic in the area, divers and snorkellers should remain vigilant while in the water.

Costão da Jaconema is a shallow reef site located 50 metres from the shore of Ilha Grande. The site features depths ranging from 4 to 9 metres, though some areas reach 25 metres. Conditions are generally mild, with visibility varying between 5 and 25 metres and water temperatures between 22 and 26 degrees Celsius. Access is exclusively by boat, and the site is suitable for beginners. Divers and snorkellers should be aware of boat traffic on the surface and exercise caution around sharp coral and rocks during entry and exit. The site supports a variety of reef life and is available for night diving.

Helicoptero is a shallow wreck site located approximately 1000 metres offshore from Ilha Grande. Resting at an average depth of 8 metres, this artificial reef is accessible only by boat. The site is suitable for beginners, offering mild currents and typical visibility ranging from 5 to 10 metres. Divers should remain aware of boat traffic in the area due to the shallow nature of the wreck. Water temperatures at the site fluctuate between 22C and 26C throughout the year. Species recorded around this area include French Angelfish, Honeycomb Cowfish, Sergeants, Bream, Gorette, and various snails.

Ponta do Bananal is a shallow reef site located on Ilha Grande, Brazil, offering a maximum depth of 10 metres. This shore-entry location is well-suited for beginner divers looking to gain experience in a manageable environment. The site features a mild current and visibility that can reach up to 20 metres, though conditions vary. The primary interest is the reef structure itself, which allows for close-up exploration. Divers should exercise caution regarding sharp rock during entry and while navigating near the reef edges. As facilities are unconfirmed, ensure you arrange for water, surface support, and all necessary equipment prior to your arrival.

Pinguino is a shallow reef site located at Ilhas Botinas, Brazil. The reef structure extends from the surface to a maximum depth of 13 metres, making it suitable for beginner divers. The site experiences mild currents and water temperatures ranging from 21 to 25 degrees Celsius. Visibility can vary significantly between visits, so checking local reports is recommended. Divers should be aware of boat traffic in the area and are advised to deploy a surface marker buoy before ascending. The reef supports a variety of regional reef fish and invertebrates. Lionfish are present at this site; maintain a safe distance and avoid contact with them.

Lagoa Azul is a reef site located off the coast of Ilha Grande, Brazil, offering a accessible environment for beginner divers. The site features depths ranging from 5 to 12 metres, with an average depth of 8 metres. Visibility typically spans 10 to 25 metres, allowing for clear observation of the reef topography. Currents are generally mild, facilitating easier buoyancy control. Access is strictly by boat, and the site is suitable for night diving. Divers should be aware of boat traffic in the area and exercise caution regarding sharp coral and sea urchins present on the reef structures. Thermal protection is recommended to manage water temperatures.