Alexander's Caves in Xlendi, Malta, offers a diverse underwater environment featuring a combination of reef, cavern, and cave topography. Suitable for beginners, the site ranges in depth from 8 to 20 metres, with an average depth of 10 metres. Access is exclusively by boat. Divers can expect mild currents and visibility between 20 and 40 metres. Marine life observed at the site includes common species such as wrasses, castagnole, mauve stinger, and bream. Less frequently encountered species include the Cratena slug, Turkish wrasse, fried egg jellyfish, Mediterranean violet aeolid, European parrotfish, two-banded seabream, tompot blenny, cleaver wrasse, white seabream, and painted comber. Be aware of the overhead environment and sharp coral.

The Blue Lagoon is a shallow strait located between Comino and Cominotto, defined by white sandy beds and rocky coves. The site is well-suited for beginners and snorkelers, with depths ranging from 1 to 10 metres and an average depth of 5 metres. Visibility is high, typically between 10 and 50 metres, and currents are generally mild. Access to the site is via boat from the shore. Water temperatures vary throughout the year, from 16C in winter to 28C in August. Visitors should remain aware of boat traffic in the area and the potential presence of jellyfish.

Comino Caves is a versatile site near Xlendi, Malta, offering a mix of reef, wall, drift, and cavern diving. With depths ranging from 5 to 50 metres and visibility between 20 and 40 metres, the site suits intermediate divers. Marine life includes common wrasses, bream, castagnole, and mauve stingers. Divers may also encounter less frequent species such as European parrotfish, Turkish wrasse, cleaver wrasse, white seabream, tompot blenny, painted comber, and two-banded seabream. Nudibranchs like the Mediterranean violet aeolid and Cratena slug inhabit the cavern walls. Access is by boat only, and divers must manage moderate currents and potential boat traffic in the channel.

The P31 Patrol Boat is a 52-metre long former Armed Forces of Malta vessel scuttled in 2009 to serve as an artificial reef. Resting upright on a sandy seabed, the wreck sits at a depth of 18 to 20 metres, with its shallowest point reaching 7 metres. Located 360 metres offshore near Comino, this site is accessible only by boat. The wreck is suitable for beginner divers, offering a straightforward exploration of a decommissioned patrol boat. Divers should remain aware of potential boat traffic in the area, as well as risks of entanglement and sharp surfaces on the structure. Visibility at the site ranges from 3 to 50 metres.

Crystal Lagoon in Xlendi, Malta, is a sheltered reef and cave site accessible only by boat. The topography features a 30-metre long tunnel filled with boulders, which begins at a depth of 5 metres and exits at 8 metres. Divers can explore depths ranging from 5 to 22 metres, with an average depth of 9 metres. The site offers visibility between 20 and 50 metres and experiences mild currents. It is suitable for beginners, though the presence of an overhead environment and boat traffic requires careful navigation. Typical dive times are approximately 50 minutes. Water temperatures fluctuate between 16C and 26C throughout the year.

Anchor Reef in Xlendi is a wall and drop-off site that descends from a shallow 5-metre shelf to depths of 70 metres. The topography features a sharp vertical structure, with an average depth of 15 metres. Divers access the site via a shore entry, which requires careful timing due to potential surf and a shore break. Visibility ranges from 10 to 30 metres, providing clear views of the wall. Water temperatures remain between 15 and 18 degrees Celsius throughout the year. Due to the significant depth potential and current, this site is suited for intermediate divers who can manage buoyancy and gas planning.

Lantern Point, located near Xlendi, Malta, offers a diverse underwater landscape featuring a shallow plateau at 6 metres, a steep drop-off, and an L-shaped vertical tunnel. This chimney structure begins at 6 metres and descends to 16 metres, opening into a cave. The site reaches depths of up to 50 metres, with an average of 30 metres. Due to strong currents and the presence of overhead environments, this site is suited for intermediate divers. Boat access is required for all visits. Species recorded around this area include Mediterranean moray, common octopus, wrasses, scorpionfish, and various nudibranchs such as the Cratena slug.

The P-31 is a former East German minesweeper scuttled in 2009 to serve as an artificial reef. Located 360 metres from shore near Xlendi, the wreck sits at a maximum depth of 21 metres, with an average depth of 18 metres. Divers can explore the interior of the vessel, which features accessible swim-throughs and light effects. The site is suitable for beginners, though the wreck presents an overhead environment. Access is by boat only. Visibility typically ranges from 15 to 30 metres with mild currents. Species recorded around this area include Mediterranean Moray, Common Octopus, Scorpionfish, and various wrasses.