Fitzroy Island offers accessible fringing reef diving and snorkelling located 25 kilometres from Cairns. The reef begins in shallow water and slopes gently to a maximum depth of 15 metres, with an average depth of 8 metres. Entry is possible from the shore at Welcome Bay or via boat. The site is suitable for beginners, featuring mild currents and warm water temperatures between 24C and 30C. Visibility typically ranges from 5 to 15 metres. Divers and snorkellers should be aware of seasonal jellyfish presence from November to May and local boat traffic. Facilities including air fills, a dive shop, and a cafe are available on the island.

Queensland Reef at Green Island offers a shallow, shore-entry experience suitable for beginners. The site features depths ranging from 1 to 5 metres, with an average of 3 metres. Divers and snorkellers should be aware of variable visibility, which typically fluctuates between 3 and 10 metres. Currents are generally mild but can shift, so checking local conditions before entry is recommended. Hazards include sharp coral and rocks, requiring caution during entry and exit. Additionally, jellyfish are present in these shallow waters, making the use of a stinger suit advisable. Typical dives last approximately 45 minutes, providing a practical environment for building confidence in a reef setting.

Green Island is a coral cay located 1500 metres offshore from Cairns, offering a gentle introduction to the Great Barrier Reef. The site features a reef that slopes from 1 to 15 metres, with an average depth of 5 metres. Divers and snorkellers can access the water via shore or boat. Conditions are generally sheltered with mild currents and visibility ranging from 1 to 30 metres. Water temperatures remain warm year-round, between 24 and 30C. Species recorded around this area include Green Sea Turtles, Napoleon Wrasse, Giant Trevally, and various reef fish. Facilities on the island include equipment rental, showers, and a dive shop.

Located 60 kilometres from Cairns, this reef site offers accessible diving in depths ranging from 5 to 14 metres. The topography features hard and soft corals, with mild currents providing manageable conditions for beginners. Visibility varies significantly from 5 to 30 metres. Divers may encounter Napoleon Wrasse, Great Barracuda, Giant Guitarfish, Australian Whipray, and various wrasses, pufferfish, and angelfish. Crabs are very common throughout the reef. Due to the presence of jellyfish and sharp coral, divers should wear a stinger suit and exercise caution when entering the water. Boat charters are required to reach this site, which supports year-round diving and night dives.

Around The Bend is a deep-water site located off Cairns, Australia, characterised by its challenging conditions and significant depths. Divers can expect to explore between 5 and 40 metres, with an average depth of 30 metres. The site is defined by strong, shifting currents that facilitate exhilarating drift dives. Visibility is exceptional, ranging from 30 to 100 metres. Due to the deep walls, strong currents, and remote nature of the location, this site is reserved for advanced divers. Access is strictly by boat, and guided tours are recommended to manage the directional currents. Night diving is available at this location.

Briggs Reef is an outer reef site located 46 kilometres from the coast, accessible only by boat. The reef topography ranges from 5 to 28 metres in depth, with an average of 22 metres. Visibility typically spans 12 to 30 metres, and the site is generally free of current. While suitable for beginners, the depth requires careful monitoring of air consumption and buoyancy. Species recorded around this area include Napoleon Wrasse, Giant Trevally, Titan Triggerfish, Bluefaced Angelfish, and Whitetip Reef Shark. Water temperatures remain warm, fluctuating between 24C and 30C throughout the year. Divers should remain aware of the depth and maintain close proximity to the boat during their dive.

Sudburry East Wall is a reef and wall dive site located at Sudbury Reef. The wall drops from a shallow 5 metres to a maximum depth of 30 metres, with an average depth of 15 metres. This site is accessible by boat charter and is suitable for beginners. Visibility typically ranges between 15 and 30 metres. Divers should be aware of potential hazards including boat traffic, sharp coral, and strong currents. Seasonal jellyfish, including venomous types, are a risk from November to May, and wearing a full-body lycra suit is recommended. Guided tours are available to assist with navigation and identifying smaller marine life along the reef surface.

Thetford Reef is an outer Great Barrier Reef site featuring a diverse topography of shallow reef tops, canyons, and a wall that drops to 30 metres. Divers and snorkellers typically explore the 5 to 15 metre depth range. The site is accessible only by boat and is suitable for beginners due to mild currents that facilitate gentle drift dives. Visibility ranges from 8 to 40 metres, with the most reliable conditions occurring between May and October. Water temperatures fluctuate between 24C and 30C. Stinger suits are recommended from November to May due to the presence of jellyfish. Boat traffic is a hazard, so divers should remain close to guides when surfacing.