Dunk Island is a reef site located 4000 metres offshore, accessible exclusively by boat. The area features shallow, calm waters suitable for beginner snorkellers. Divers and snorkellers should be aware of variable currents and the presence of jellyfish, particularly during the stinger season from November to May. Saltwater crocodiles may also be present in the region. Facilities available include equipment rental, guided tours, and boat charters. The site is best visited between April and October for more reliable conditions. Always consult with your boat operator regarding current strength before entering the water.

Coral Bay at Dunk Island is a shallow shore-entry reef suitable for intermediate divers. The site features depths ranging from 3 to 12 metres, with an average of 7 metres. Divers can explore the reef structure, which supports a variety of reef fish and invertebrates typical of the region. Visibility varies between 5 and 15 metres, and currents are generally mild. Hazards include sharp coral formations and sea urchins. A protective suit is recommended during the stinger season, which runs from October to May. Facilities at the site include parking, showers, and a rinse station.

The Family Island Group consists of a series of reefs located between 1 and 15 metres deep, with an average depth of 5 metres. Suitable for beginners, the site offers both shore and boat access with visibility ranging from 12 to 20 metres. Currents are generally mild, though visitors should monitor wind, tide, and current direction. Water temperatures remain warm throughout the year, ranging from 23C to 29C. Hazards include the presence of crocodiles and stinging jellyfish, particularly between November and April, when protective suits are recommended. Always consult local operators regarding current conditions and jellyfish activity before entering the water.

Bingil Bay at Mission Beach provides a shallow shore entry suitable for beginners and snorkellers. The site features mild currents, though visitors should remain aware of rip currents that can develop after periods of higher waves. Visibility varies significantly, reaching up to 30 metres under optimal conditions. Water temperatures range from 23C in winter to 29C in summer. Facilities at the site include parking and toilets, and boat charters are available in the area for those seeking guided outings. During the wet season from November to April, marine stingers are a hazard, and wearing a stinger suit is recommended.

Kurramine Beach is a shallow shore-entry site featuring seagrass beds and reef structures located near the water's edge. With depths ranging from 1 to 3 metres, the site is suitable for beginners. Visibility typically varies between 5 and 15 metres. Access to the reef is restricted to walking during specific very low tide periods. Currents are generally mild, though it is recommended to snorkel approximately one hour before high tide for optimal conditions. Facilities at the site include parking, toilets, showers, changing rooms, and a cafe. Divers should be aware of seasonal marine stingers and the potential presence of crocodiles in the region.

Barnard Island Group, located off Mission Beach, features a shallow reef environment suitable for beginners. The site reaches a depth of approximately 1 metre, offering visibility ranging from 12 to 30 metres. Access is by boat, situated 5000 metres from the shore. Conditions are generally mild, though currents can be variable and shift with the tide. Divers and snorkellers should be aware of potential jellyfish in the water and take care to avoid contact with the reef structure. Facilities at the site include toilets, though availability can vary. Always check local tidal conditions before planning your visit to ensure a safe entry.

The Brook Islands feature fringing reefs offering shallow diving and snorkelling in depths ranging from 1 to 12 metres, with an average of 6 metres. This site is suitable for beginners, with generally mild currents and visibility between 5 and 15 metres. Access is exclusively by boat, located 30 kilometres from the mainland. The habitat supports a variety of reef fish and invertebrates typical of the region. Divers and snorkellers must be aware of hazards, including sharp coral, jellyfish, and the presence of crocodiles. A full-body lycra suit is recommended for protection against stingers. Vessel speed is restricted to 6 knots within 200 metres of the islands.

Eddy Reef is a boat-accessible site featuring a wall and reef structure. Depths range from 10 to 20 metres, with an average of 15 metres, making it suitable for beginners. Visibility typically spans 10 to 20 metres. The site is named for its variable currents, which can reach moderate strength, particularly near the wall. Divers should navigate carefully to avoid sharp coral formations. Species recorded around this area include wrasses, common coral trout, rabbitfish, various butterflyfish, angelfish, triggerfish, and groupers. Always check current conditions with your boat operator before entering the water. The site is accessible only by boat, and snorkelling is possible but rated as limited.