Saco da Velha, located at Ilha dos Meros, is a marine site featuring a combination of reef topography and a small sea cave. Accessible only by boat, the site offers an intermediate snorkeling experience with mild currents. The rocky shoreline and crevices provide a varied underwater landscape to explore. Water temperatures at this location fluctuate between 22C and 28C throughout the year. Visitors can utilise the nearby cafe facilities before or after their session. The site is best suited for those comfortable with boat-based entries and navigating rocky coastal environments.

Lagoa Azul, located at Ilha dos Meros, is a shallow reef site situated in a protected channel between Ilha Comprida and Ilha dos Cocos. Characterised by turquoise waters, this natural pool reaches depths of 1 to 8 metres with an average of 4 metres. It is suitable for beginners and offers a high-quality snorkelling experience. Access is by boat only, with typical dives lasting around 30 minutes. Conditions are generally mild with visibility ranging from 5 to 20 metres and water temperatures between 22C and 26C. Divers and snorkellers should be aware of sea urchins in the area. A rinse station is available for post-dive equipment care.

Ilha da Pescaria is a reef site located near Ilha dos Meros, accessible only by boat. Landing on the island itself is prohibited, but the surrounding waters are open for snorkelling. The site is suitable for beginners, offering mild currents and water temperatures ranging from 22C to 28C throughout the year. Snorkellers can expect a typical session duration of 60 minutes. The site is noted for its visibility within the bay, which allows for observation of the local reef topography and habitat. As a boat-access location, it provides a controlled environment for those looking to explore the marine life and reef structures of the Angra dos Reis region.

Praia da Lula, located at Ilha dos Meros, is a reef site characterised by fine white sand and calm waters. The site is suitable for beginners, with depths ranging from 2 to 8 metres and an average depth of 5 metres. Access is by boat, as the site is situated 10 kilometres from the shore. Divers and snorkellers can explore the rocky coastlines where submerged boulders provide habitat for various reef fish and invertebrates. Conditions are generally mild, with visibility ranging from 5 to 20 metres and water temperatures between 22 and 26 degrees Celsius. Be aware of boat traffic in the area.

Ilha Comprida features a combination of natural and artificial reef structures located 1200 metres from the shore. This site is suitable for beginners, with depths ranging from 5 to 11 metres and an average depth of 9 metres. Visibility varies between 5 and 20 metres, and the area is characterised by a lack of current. Access is by boat only, and visitors should remain aware of boat traffic in the vicinity. Equipment rental and guided tours are available for those who require them. Water temperatures range from 22 to 26 degrees Celsius throughout the year.

Ilha do Mantimento is a reef site located 1000 metres from the shore of Ilha Comprida. The site is distinguished by the Castelinho structure built on the island shore. With an average depth of 5 metres, it is a suitable location for beginners. Divers and snorkellers can expect mild currents and visibility ranging from 10 to 15 metres. Access to the site is by boat only. Water temperatures fluctuate between 22 and 28 degrees Celsius throughout the year. The site is considered a protected area, offering calm conditions even during windy weather. Divers should be aware of sea urchins present in the area.

Ilha dos Ratos, located near Ilha dos Meros, features a combination of natural reef and artificial structures. This site is suitable for beginners, with depths ranging from 8 to 12 metres and an average depth of 10 metres. The absence of current allows for a relaxed pace, making it a practical choice for boat-based dives. Visibility typically varies between 5 and 10 metres. The habitat supports a variety of reef fish and invertebrates common to the region. Divers should wear adequate thermal protection for water temperatures between 22 and 26C and exercise caution around artificial structures to avoid entanglement. Night diving is available at this location.

Ilha dos Ganchos is a shallow reef site located off Ilha Comprida, Brazil, accessible only by boat. The site features depths ranging from 8 to 11 metres, with an average depth of 9 metres, making it suitable for beginner divers. Visibility typically ranges between 5 and 10 metres. Water temperatures fluctuate between 22 and 26 degrees Celsius throughout the year. Divers should maintain good buoyancy control to avoid contact with sea urchins present on the reef. The habitat supports a variety of reef fish and invertebrates typical of the region. Typical dive times are approximately 45 minutes.