Bijelac Islet, located off Lastovo, Croatia, is a diverse marine site defined by a dramatic underwater canyon that splits the islet. The topography includes vertical walls, reefs, and caves, offering depths between 10 and 60 metres. Divers and snorkellers can explore these structures, which are home to a variety of Mediterranean reef fish and invertebrates. Access is by boat only, and the site is suitable for intermediate divers due to the potential for strong currents. Visibility is variable, ranging from 15 to 55 metres, with water temperatures typically between 14 and 18 degrees Celsius. Night diving is permitted at this location.

Kaleb Plic is a reef and wall dive located off Lastovo Island in South Dalmatia. The site features a wall that drops from 12 metres to a maximum depth of 62 metres. Divers can expect consistent visibility of 30 metres along the structure. A moderate current is typically present, making boat access essential and requiring careful planning around slack water. Due to water temperatures ranging between 14 and 18 degrees Celsius, a thicker wetsuit or drysuit is recommended. This site is suited for intermediate divers, though the deeper sections require advanced experience.

Crnac is a varied dive site off Lastovo Island featuring a reef, cave, and drop-off. The site is accessible only by boat and offers a depth range of 10 to 42 metres, with an average depth of 15 metres. Visibility is consistently 30 metres, allowing divers to view the topography clearly. Conditions are generally manageable with mild currents. Divers should maintain good buoyancy control to avoid contact with sharp coral and rocks present along the cave entrance and the drop-off edge. Water temperatures range from 14 to 19 degrees Celsius, making a 5mm wetsuit advisable for most of the year.

Tovari Islet, located near Lastovo, offers a diverse underwater topography consisting of a reef, a wall, and several small caves and overhangs. The site features a shallow platform ideal for observing macro life, while the wall drops to a maximum depth of 40 metres with an average depth of 20 metres. Access is by boat only, and the site is suitable for intermediate divers. Visibility is consistently around 30 metres with mild currents. Divers should be aware of overhead environments within the caves and the presence of sea urchins. Species recorded around this area include Turkish Wrasse, Kingfish, Bream, and various crustaceans.

Mrcara Island East Jetty offers a diverse underwater environment featuring a reef, wall, and cave system. Located within a nature park, the site is accessible by both shore and boat. Divers and snorkellers can explore depths ranging from 6 to 20 metres, with an average depth of 12 metres. Conditions are generally mild, though visitors should remain aware of boat traffic and potential surf. Visibility typically ranges between 10 and 15 metres. The site is suited for intermediate skill levels, with typical dives lasting around 45 minutes. Facilities including a cafe and boat charter services are available nearby on Lastovo Island.

Bratin is a diverse dive site off Lastovo, Croatia, featuring a combination of cave, wall, and reef topography. Divers can explore depths ranging from 10 to 35 metres, with an average depth of 25 metres. The site is accessible by boat and offers visibility between 30 and 40 metres. Conditions are generally manageable with mild currents. Due to the presence of cave sections, this site is considered an overhead environment, requiring careful buoyancy control and adherence to guided tour protocols. A thermocline is present, with water temperatures ranging from 14 to 19 degrees Celsius. Night diving is available for those seeking a different perspective of the underwater terrain.

The Peloro wreck is a technical dive site situated 1600 metres off Lastovo Island, Croatia. Resting at depths between 35 and 52 metres, the wreck requires expert-level certification for deep and overhead environment penetration. Divers access the site by boat, where visibility typically ranges from 10 to 30 metres. Moderate currents are common, necessitating careful planning of descent and bottom time. The structure is suitable for experienced divers who possess the necessary training for deep, technical wreck exploration. Facilities available include air fills, guided tours, and equipment rental. Night diving is permitted for those with appropriate experience.

Bratin Island, located off Lastovo, Croatia, offers a combination of reef and cave topography. The site is defined by an underwater cave featuring two distinct entrances, with shallow sections that allow for snorkelling. Divers can explore depths reaching 32 metres, while visibility can extend up to 40 metres. Access to this site requires a boat. Water temperatures fluctuate between 14C and 20C throughout the year. Due to the nature of the cave environment and the depth profile, this site is best suited for intermediate divers.