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.

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 Comprida is a reef and artificial reef site located 12 kilometres from the shore near Paraty. Accessible only by boat, the site offers depths ranging from 5 to 25 metres, with an average depth of 10 metres. Conditions are generally mild, with visibility varying between 5 and 20 metres and water temperatures fluctuating from 22C to 28C throughout the year. The site is suitable for beginners and is highly rated for snorkelling. Divers and snorkellers should be aware of the presence of sea urchins and stonefish in the area.

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.

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.

Ilha dos Cocos is a boat-access reef site located 4000 metres off the coast near Paraty. The site features a varied topography ranging from shallow sections at 4 metres to deeper edges reaching 30 metres. Divers and snorkellers can expect visibility between 10 and 25 metres. Water temperatures remain consistent between 21 and 23 degrees Celsius throughout the year, making a wetsuit advisable. While currents are generally mild, the site is subject to surge and swell, which requires precise buoyancy control. Due to the depth and variable surface conditions, this site is suitable for intermediate divers with an Advanced Open Water certification.