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.

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.

Saba Bay at Hook Island is a reef site suitable for beginners, offering depths between 5 and 17 metres with an average of 11 metres. Access is by boat only, as the site is located 18 kilometres from the shore. Divers and snorkellers can expect mild currents and visibility ranging from 20 to 30 metres. The site is exposed to south-easterly winds, and parts of the reef are currently recovering from the impact of Cyclone Debbie in 2017. Hazards include sharp coral, and stinger season for Irukandji and box jellyfish occurs from October to May. Water temperatures remain warm throughout the year, ranging from 22 to 29 degrees Celsius.

Mackerel Bay on Hook Island is a shallow reef site ideal for beginners. Divers and snorkellers can explore depths ranging from 1 to 8 metres, with an average depth of 5 metres. Access is via a shore entry approximately 200 metres from the beach. Conditions are generally mild, though visibility can fluctuate between 10 and 30 metres depending on tides and weather. Water temperatures range from 22C to 29C throughout the year. When entering or exiting, shuffle your feet to avoid sharp coral and rocks, and remain aware of the shore break. Always check local conditions for current and visibility updates before entering the water.

Mackerel Bay on Hook Island is a reef site suitable for beginner divers, offering depths between 1 and 18 metres with an average of 12 metres. Access is by boat only. The site features mild currents, though visibility varies significantly from 2 to 30 metres. Following damage from Cyclone Debbie in 2017, the reef is currently in a state of recovery. Divers should note that the site is exposed to southerly winds and can experience surf. Species recorded around this area include Napoleon Wrasse, Green Sea Turtles, Giant Trevally, Barramundi Cod, and various species of wrasse, angelfish, and butterflyfish. Always check locally for stinger activity before entering the water.

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.

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.

Wrasse Bay is a reef site located on the northern side of Hook Island, offering depths between 3 and 18 metres with an average of 10 metres. This site is suitable for beginner divers, though it requires boat access and careful planning around slack tide due to moderate currents. Visibility typically ranges from 3 to 15 metres. Water temperatures remain warm throughout the year, ranging from 22C to 29C. Divers should be aware of stinger season from October to May, during which full-body protective suits are recommended. Guided tours are available to assist with navigating the local conditions and currents.