Deep Boulders is a boat-access reef dive in Mustique, defined by large boulder formations that create varied topography between 7 and 23 metres. The site offers visibility ranging from 18 to 25 metres, with water temperatures between 27 and 30 degrees Celsius. Divers experience mild currents throughout the 45-minute dives. Due to the presence of sharp coral and rock edges, careful positioning is required to avoid injury. Entanglement hazards exist within the crevices of the structure, and boat traffic in the area necessitates the use of a surface marker buoy during all ascents. This site is suited for intermediate divers.

The Boulders is a drift dive site in Mustique defined by large boulder formations that create a complex underwater landscape. Divers explore depths ranging from 12 to 30 metres, with an average depth of 18 metres. The site is accessible only by boat and features mild currents and visibility between 15 and 30 metres. Due to the depth and the presence of sharks, this site is suited for intermediate to advanced divers. Typical dive times are approximately 50 minutes. Divers should exercise caution regarding boat traffic during entry and exit and use surface marker buoys for safety during drift dives.

Moonhole Cave in Mustique offers a diverse underwater environment featuring a reef, a wall, and a cave system. Suitable for intermediate divers, the site ranges in depth from 6 to 30 metres with an average of 15 metres. Access is strictly by boat. Divers should be prepared for moderate currents that can strengthen, particularly around the wall section. Visibility typically spans 15 to 30 metres, though it can vary during a session. Water temperatures remain between 27 and 30 degrees Celsius. When entering from the boat, be cautious of sharp coral and rocks. Always confirm current conditions with your boat charter operator, as surge inside the cave is dependent on local water movement.

Moonhole offers a combination of reef and wreck diving located off Mustique. The site spans a depth range of 6 to 40 metres, with an average depth of 20 metres, making it suitable for intermediate divers. Visibility typically ranges from 15 to 30 metres, allowing for clear observation of the underwater structures. Access is strictly by boat, and divers should be aware that while currents are generally mild, they can strengthen without warning. Divers are advised to monitor their position relative to the reef and wreck throughout the 45-minute dive and consult with their boat operator regarding current conditions before descending.

New Moon is a dynamic drift dive located 700 metres off the coast of Mustique. The site features a wall and reef structure that descends from 8 metres to a maximum depth of 40 metres. Divers experience strong currents, which necessitate careful briefing and confirmation of drift direction before entry. Visibility typically ranges between 15 and 25 metres. Due to the depth and current, this site is suited for intermediate divers. Access is by boat only, and the use of a surface marker buoy is essential for open-water pickups. Guided tours are available to assist with navigating the conditions.

Ship’s Stern is a reef and drift site located 1700 metres off the coast of Mustique. Suitable for intermediate divers and snorkellers, the site features depths ranging from 8 to 18 metres with an average of 15 metres. Divers experience mild currents and visibility typically between 15 and 30 metres. The site is boat access only, and guided tours are recommended to navigate the current patterns effectively. Be aware of surge near the reef structure, which can affect positioning. Water temperatures remain consistent between 27 and 30 degrees Celsius throughout the year. Typical dive times are approximately 45 minutes.

Middle Cay is a boat-access reef site located off Mustique in Saint Vincent and the Grenadines. The site features a reef structure extending from the surface to a depth of 22 metres. Conditions are variable, with visibility ranging from 9 to 30 metres and water temperatures between 27 and 30 degrees Celsius. Currents are typically mild but can strengthen unpredictably, requiring good buoyancy control. This site is suitable for intermediate divers and snorkellers who can explore the shallower sections. Divers should be aware of sea urchins present on the reef structure. Boat charters are available for access to this location.

West Cay Wall is a boat-access drift dive located in Mustique, Saint Vincent and the Grenadines. The site features a vertical wall that drops from 6 to 40 metres. Divers experience strong, persistent currents that dictate the dive profile, making this an advanced-level site. Visibility is typically 20 metres, providing consistent sightlines along the reef structure. Due to the strength of the current, a surface marker buoy is required, and divers should brief their boat crew on the planned drift direction before entry. Water temperatures range between 27C and 29C throughout the year.