Chapeirão Mau Mau is a reef and artificial reef site located within the Abrolhos Marine National Park. The site features a varied topography with depths ranging from 8 to 25 metres, averaging 15 metres. Divers encounter overhead environments, including swim-throughs and cave sections, which require solid buoyancy control and the use of a dive torch. Conditions are characterised by moderate currents and visibility typically between 10 and 18 metres. Water temperatures remain between 25 and 28 degrees Celsius throughout the year. Access to this site is by boat only, and night diving is available for those looking to experience the reef after dark.

Chapeirao Atlantida in Abrolhos Marine National Park offers a combination of open reef and cave environments. The site features depths ranging from 5 to 25 metres, suitable for intermediate divers. Visibility typically reaches 9 to 10 metres, with water temperatures remaining between 25 and 28 degrees Celsius. A moderate current is common, requiring careful planning to dive into the current first. The cave sections present an overhead environment, necessitating advanced buoyancy control and appropriate training for penetration. Access is exclusively by boat, located 30.3 kilometres from the shore. Divers should carry a torch and remain within the light zone unless specifically trained for overhead environments.

Naufragio Nebula is a wreck site located in Abrolhos Marine National Park, Brazil, resting at depths between 4 and 12 metres. This site is accessible only by boat and is suitable for intermediate divers and snorkellers who can view the upper structure from the surface. The wreck provides a hard substrate that supports a variety of reef fish and invertebrates typical of the region. Divers should be prepared for variable visibility, which can drop significantly, and monitor for mild currents and potential surge. As there are no permanent facilities at the site, confirm all arrangements with a local operator before departure.