Struga is a wall and drop-off site located on Lastovo Island, Croatia. The topography features dramatic vertical cliffs that descend to depths of 90 metres. Due to the significant depth, strong currents, and potential for surf, this site is reserved for advanced divers. Access is available via both shore and boat. Species recorded around this area include Mediterranean Moray, Indian Lionfish, Kingfish, Turkish Wrasse, Rock Cod, European Parrotfish, Bream, Mauve Stinger, Comber, Sea Star, Madeira Rockfish, Purple Sea Star, and Painted Comber. Water temperatures fluctuate between 15C in winter and 26C in August.

Skrivena Luka, known as the Hidden Port on Lastovo Island, offers a protected marine environment suitable for beginners. Divers and snorkellers access the site via a gentle pebble shore entry. The underwater topography consists of seagrass meadows and rocky crevices. Depths range from 2 to 10 metres, with an average depth of 5 metres. Conditions are generally calm with mild currents, making it an accessible location for both diving and snorkelling. Facilities at the site include parking, toilets, showers, a rinse station, a cafe, a dive shop, and boat charter services. Typical dives last approximately 45 minutes.

Medjedina is a marine dive site located off Lastovo Island in South Dalmatia, Croatia. The site features a combination of a cave and a reef, offering a comfortable depth range of 7 to 15 metres with an average of 10 metres. It is well suited for beginner divers, as there is typically no current to manage. Visibility ranges from 10 to 30 metres. Access is by boat only, and divers should wear protective footwear to avoid injury from sharp coral and rocks present on the reef structure. Species recorded around this area include wrasses, bream, Mediterranean moray, and various sea stars.

Permuravica is a wall and reef site located off Lastovo Island, Croatia. The topography features a reef starting at 6 metres that transitions into a steep wall dropping to 52 metres. Due to the significant depth, this site is suited for intermediate divers who can manage buoyancy and the risk of nitrogen narcosis. Visibility ranges from 10 to 30 metres, and currents are generally mild. Water temperatures fluctuate between 14 and 18 degrees Celsius, with occasional variations caused by freshwater springs upwelling from the seabed. Access is exclusively by boat, and guided tours are available through the local dive shop on Lastovo Island.

Located 1000 metres offshore from Lastovo Island, this wreck site offers a challenging profile for intermediate divers. The structure lies between 6 and 44 metres, with an average depth of 35 metres. Divers can expect mild currents and visibility ranging from 10 to 30 metres. Access is strictly by boat. Due to the depth and the nature of the wreck, entanglement is a primary hazard, particularly when navigating enclosed sections. Divers should monitor their depth and buoyancy closely throughout the 45-minute average dive time. Water temperatures fluctuate between 14C and 19C, making a thick wetsuit or drysuit advisable for year-round diving.

Mihajla Beach on Lastovo Island offers an accessible entry point for both divers and snorkellers. The site features a combination of a concrete pier and a pebble shore, leading into depths ranging from 1 to 10 metres, with an average depth of 5 metres. The topography consists of a reef and an artificial reef structure. Visibility typically varies between 10 and 25 metres. Water temperatures fluctuate throughout the year, ranging from 14C in the winter to 25C in August. Facilities available at the site include a cafe, toilets, and showers. Divers should be aware of sea urchins in the area.

Lucica Cove on Lastovo Island is a historic fishing village offering shore access for divers and snorkellers. The site features an artificial reef structure and stone piers from which to enter the water. Depths at this location reach up to 5 metres. Conditions are generally mild, though divers should remain aware of boat traffic in the area. Facilities available at the site include parking and showers. Due to the presence of sea urchins and sharp coral, appropriate footwear is recommended when entering or exiting the water.

Zaklopatica Bay on Lastovo Island is a sheltered reef site protected by a small islet at its entrance. The site is suitable for beginners, with depths ranging from 2 to 15 metres and an average depth of 7 metres. Divers and snorkellers can explore rock formations located approximately 50 metres from the shore. Conditions vary, with visibility between 5 and 20 metres and mild currents. Water temperatures fluctuate from 14C in the winter to 22C during the summer months. Access is possible from both the shore and by boat. Facilities at the site include toilets and a cafe. Be aware of boat traffic in the area.