Praia do Forno in Armação dos Búzios is a reef site accessible from the shore. The area features rocky headlands and depths ranging from 2 to 8 metres, with an average of 5 metres. Divers and snorkellers should be aware of mild currents and potential boat traffic. Water temperatures typically range between 21C and 24C, though cold water due to upwelling is common. Facilities at the beach include parking, toilets, showers, equipment rental, a cafe, and boat charter services. Species recorded around this area include French Angelfish, Caribbean Ocean Surgeonfish, Gray Angelfish, Arrow Crab, wrasses, sea stars, crabs, bigeyes, cornetfish, bream, goatfish, and various snails.

Praia da Ferradura (Left Corner) is a horseshoe-shaped bay in Armação dos Búzios, Brazil, characterised by calm, wave-free conditions. The site features a rocky reef area near the Insólito Hotel, making it a suitable location for beginners to snorkel. Depths range from 1 to 8 metres, with an average of 4 metres. Visibility typically fluctuates between 5 and 15 metres. Water temperatures range from 22C to 25C, though conditions can vary. Shore access is available, and the site offers facilities including showers, changing rooms, and first aid. Divers and snorkellers should be aware of sea urchins and sharp coral present in the area.

Ilha do Caboclo is a small islet situated 300 metres offshore from Armação dos Búzios. The site features interesting rock formations and depths ranging from 3 to 15 metres, with an average of 8 metres. Snorkellers can access the site via boat or a swim from Praia do Canto. Conditions vary, with visibility typically between 10 and 20 metres and moderate currents. Surf may be present, so intermediate skill is recommended. Species recorded around this area include French Angelfish, wrasses, arrow crabs, Caribbean Ocean Surgeonfish, Gray Angelfish, various crabs, sea stars, bream, goatfish, bigeyes, cornetfish, and snails. Equipment rental is available for those visiting the site.

João Fernandes in Armação dos Búzios is a reef and artificial reef site accessible from the shore. The site features a series of underwater statues, including a mermaid and a shark, and a natural nursery area in the right corner. Depths range from 2 to 12 metres, with an average of 5 metres, making it suitable for beginners. Conditions include mild currents and visibility between 3 and 10 metres. Water temperatures range from 22C to 25C throughout the year. Species recorded around this area include French Angelfish, Caribbean Ocean Surgeonfish, Gray Angelfish, Arrow Crab, wrasses, crabs, sea stars, bigeyes, cornetfish, bream, goatfish, and snails. Hazards include boat traffic and sharp coral.

Praia Azeda is a shallow reef dive in Armação dos Búzios, Brazil, featuring depths between 2 and 10 metres with an average of 5 metres. This site is suitable for beginner divers, offering a comfortable experience with mild currents and visibility ranging from 5 to 15 metres. Water temperatures remain between 21 and 24 degrees Celsius, though local upwelling can occasionally cause colder conditions. Divers enter directly from the shore. While toilets are available on site, there are no changing facilities. Early morning dives are recommended to avoid surge activity that may stir up sediment near the shore.

Praia da Tartaruga in Armação dos Búzios is a reef site suitable for beginners, offering a shallow dive experience with depths ranging from 2 to 10 metres and an average of 6 metres. The site is accessed directly from the shore and features mild currents. Visibility typically fluctuates between 8 and 20 metres. Water temperatures remain between 21 and 24 degrees Celsius, which is generally warmer than other beaches in the area, allowing for comfortable sessions lasting around 60 minutes. Facilities available at the beach include parking, toilets, showers, a rinse station, equipment rental, and a cafe.

Ilha de Âncora is a diverse marine site located 11 kilometres from the shore near Armação dos Búzios. The topography features a combination of reefs, walls, and caves, making it suitable for intermediate divers. The site reaches depths between 6 and 30 metres, with an average depth of 15 metres. Divers access the site by boat, where they may encounter moderate currents and visibility ranging from 10 to 30 metres. Species recorded around this area include French Angelfish, Spotted Moray, Cushion Sea Star, Banded Coral Shrimp, Caribbean Ocean Surgeonfish, various wrasses, arrow crabs, and bigeyes. Night diving is available at this location, with typical dives lasting approximately 45 minutes.

Alagados is a submerged island formation located off Ilha de Âncora, Brazil. This wall dive is suited for advanced divers due to its depth range of 15 to 50 metres and variable currents. Access is by boat, with a controlled descent along a line to the peak of the formation at 15 metres. Given the significant depth and potential for strong currents, this site is recommended for experienced divers with technical or deep diving certifications. Water temperatures at the site remain consistent, ranging between 20C and 22C throughout the year.