Hamilton Island offers a diverse underwater landscape featuring reefs, walls, canyons, and pinnacles. Divers can explore depths ranging from 2 to 25 metres, with an average depth of 12 metres. The site is suitable for beginners due to mild currents, which typically remain below one knot except during spring tides. Visibility varies between 3 and 15 metres. Access is exclusively by boat, with local operators providing guided tours, air fills, and facilities including showers and changing rooms. Water temperatures fluctuate between 22C and 29C throughout the year. Divers should be aware of stinger season from October to May and are advised to wear protective stinger suits during this period.

Turtle Bay, located off Hamilton Island, offers a sheltered marine environment suitable for beginner divers. The site features depths ranging from 5 to 18 metres, with an average depth of 10 metres. Access is strictly by boat. Currents remain mild within the bay, though they can increase near bay entrances and points. Visibility is variable, typically between 2 and 15 metres. Water temperatures are warm throughout the year, ranging from 22C to 29C. Divers should be aware of boat traffic and the presence of jellyfish, particularly during the stinger season from October to May, when protective suits are recommended.

Chance Bay on Hamilton Island is a shallow, protected reef site suitable for beginners. The area features depths ranging from 0 to 5 metres with an average of 2 metres, providing a relaxed environment for snorkelling. Visibility typically spans 10 to 20 metres, allowing for clear observation of the reef structure. The bay is generally calm, though conditions can be more exposed during south-easterly winds. Access to the site is exclusively by boat. Visitors should be aware of marine stingers, particularly between October and May, and are advised to wear a stinger suit during these months. Toilets are available at the site.

Whitehaven Beach on Hamilton Island offers shallow diving and snorkelling across seagrass beds and reef structures. Depths range from 1 to 5 metres, with an average of 3 metres, providing a calm environment for beginners. Visibility varies between 2 and 15 metres. Access is available via boat or from the shore, where visitors should wear reef shoes or fins to avoid resting stingrays. Currents are generally mild. Between October and May, the presence of dangerous jellyfish necessitates the use of a full-body stinger suit. Facilities at the site include toilets.

Long Island, located off Hamilton Island, features shallow reef diving with depths ranging from 1 to 5 metres. This site is suitable for beginners, offering a relaxed environment with mild currents. Access is by boat, as the site is situated 5000 metres from the shore. Visibility typically fluctuates between 5 and 15 metres. Divers should be aware of hazards including boat traffic, sharp coral, and seasonal jellyfish. A full-body stinger suit is recommended between October and May to protect against marine stingers. Facilities at the site include toilets, and equipment hire is available for those who do not bring their own gear.

Sandy Bay on Hamilton Island is a sheltered reef site suitable for beginners. Located 5000 metres from shore, this boat-accessible location features depths ranging from 1 to 15 metres with an average of 5 metres. Conditions are generally mild, though tidal currents can occur. Visibility varies between 2 and 12 metres. The site supports a variety of reef fish and invertebrates typical of the Whitsundays region. Water temperatures remain pleasant year-round, ranging from 22C to 29C. Divers and snorkellers should be aware of marine stingers, including Box Jellyfish and Irukandji, between October and May. Wearing a full-body stinger suit is recommended during these months. Facilities include toilets and showers.

Ship Wreck Bay at Hook Island offers a combination of wall and reef topography across depths of 12 to 25 metres. This site is suited for advanced divers due to moderate currents that typically range between 1 and 2 knots. Visibility varies from 10 to 30 metres depending on conditions. Access is by boat only, and divers should be prepared for potential surges along the wall. Water temperatures fluctuate between 23C and 29C throughout the year. Divers must be aware of jellyfish, including box jellyfish and Irukandji, which are present from October to May; wearing a full-body stinger suit is highly recommended during these months.

Dumbell Island, located off Hook Island, offers shallow reef exploration suitable for beginners and snorkellers. The site features depths ranging from 1 to 6 metres with an average of 3 metres. Divers and snorkellers experience mild currents and consistent visibility of approximately 15 metres. Access is exclusively by boat. The site is situated in a sheltered position between Whitsunday Island and Border Island, providing a relaxed environment. Water temperatures remain pleasant throughout the year, ranging from 23C to 29C. Visitors should be aware of jellyfish, particularly during stinger season from October to May, when wearing a full-body stinger suit is recommended.