Pelorus and Orpheus Islands offer a diverse underwater environment featuring reef, wall, and drift terrain. Located in the Palm Island group, the site reaches depths between 6 and 25 metres, with an average of 15 metres. The defining characteristic is the strong current flowing through the channel between the islands, which facilitates exhilarating drift dives for intermediate divers. Visibility varies between 3 and 15 metres depending on tidal conditions. Both shore and boat entries are possible, and the site supports night diving. Divers should be aware of hazards including strong currents, jellyfish, sharks, and sharp coral. Tidal tables should be consulted to plan dives around slack water.

Lucinda is an artificial reef site located off the Cardwell Coast in Australia. This site is accessible by boat and is suitable for beginner divers. The area features variable visibility ranging from 5 to 25 metres and mild currents. Divers should remain aware of significant hazards, including boat traffic from the active sugar loading shipping channel, the presence of jellyfish, and potential encounters with bull sharks or crocodiles. Water temperatures fluctuate between 23C and 29C throughout the year. Parking is available at the shore for those preparing for boat departures.

Hinchinbrook Island National Park features shallow reef and seagrass habitats accessible by boat. Snorkeling occurs in sheltered bays at depths between 1 and 5 metres, with an average of 3 metres. Visibility ranges from 5 to 20 metres. While currents are generally mild, tidal influence can occur. The site is suitable for beginners, though visitors must remain vigilant regarding local hazards, including crocodiles and dangerous marine stingers. A full-body protective suit is strongly recommended, particularly between November and May. The area supports diverse marine life, including various reef fish and invertebrates typical of the region. Facilities at the site are limited to toilets.

The Maze is a reef and drift dive site located off the Palm Islands and Hinchinbrook, Australia. Accessible only by boat, the site features a shallow depth range of 3 to 12 metres, with an average depth of 7 metres, making it suitable for beginner divers. Visibility varies significantly, reaching up to 30 metres in optimal conditions. Divers should be prepared for moderate currents. Stinger season occurs from November to May, and crocodiles are a known hazard in the wider Hinchinbrook area. Always consult your boat operator regarding current conditions and local safety risks before entering the water.

Brittomart Reef is a boat-accessible site located off the coast of the Palm Islands and Hinchinbrook. It offers a range of depths from 1m to 25m, making it suitable for beginner divers. Visibility at the site typically ranges between 10m and 25m. Divers should be aware of variable currents and potential hazards including sharp coral, jellyfish, and boat traffic. Water temperatures fluctuate between 24C and 29C throughout the year. Night diving is permitted at this location. Due to the distance from shore and site conditions, it is not recommended for snorkelling.

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.