Gemiler Island features an underwater archaeological park located in the channel between the island and the mainland. Snorkellers can explore submerged Byzantine ruins, including house foundations and staircases, resting at depths between 1 and 15 metres with an average of 8 metres. The site is accessible by boat and offers mild currents with visibility ranging from 15 to 30 metres. It is well-suited for beginners. Species recorded around this area include Indian Lionfish, Pufferfish, Turkish Wrasse, European Parrotfish, Lizardfish, Purple Sea Star, Goatfish, crabs, fireworms, White Seabream, snails, and sea cucumbers. Use caution near sharp coral structures while navigating the ruins.

Soğuksu Koyu is a distinctive snorkel site located in the Gemiler Island area, notable for the cold mountain spring water that seeps through the seabed into the Mediterranean Sea. This interaction between cold freshwater and warmer seawater creates a visible halocline, resulting in a shimmering effect throughout the water column. The site reaches depths of 2 to 10 metres and is suitable for beginners. Snorkellers can access the water from either the shore or by boat. Water temperatures vary between 18C and 28C, though the spring water can cause localized cold spots. Facilities at the site include a cafe and showers.

Darboğaz is a narrow strait located in the Gemiler Island area, characterised by a rocky bottom and calm conditions. This site is well-suited for beginners, offering a tranquil environment for snorkelling. Water temperatures in this area vary throughout the year, ranging from 18C in the cooler months to 28C in August. Access to the water is possible from both the shore and by boat. The site features mild currents, making it a comfortable location for those looking to explore the shallows.

Amphora Wall is a marine wall dive located in the Gemiler Island Area. The site is named for the numerous broken amphorae of varying origins found along the wall. Divers can explore a depth range of 12 to 30 metres, with an average depth of 25 metres. Notable features include an old mill stone and scattered amphorae, particularly around the 12-metre mark. The site requires boat access, with entry typically made behind the rocky promontory. Conditions feature mild currents and visibility ranging from 10 to 30 metres. Due to the depth and potential boat traffic, this site is best suited for intermediate divers.

Karacaören Reef is a submerged reef located 300 metres from the shore near Gemiler Island. The site features a dramatic wall that drops from 5 metres to a maximum depth of 30 metres. Divers and snorkellers can expect mild currents and visibility ranging from 10 to 40 metres. Access to the site is by boat only, and the area is suitable for intermediate divers. Due to the presence of boat traffic, caution is advised during dives. Species recorded around this area include Indian Lionfish, Pufferfish, European Parrotfish, various wrasses, White Seabream, Fireworms, crabs, Purple Sea Stars, Lizardfish, Goatfish, snails, and sea cucumbers.

Blue Lagoon, located in the Gemiler Island area, offers a shallow reef and cave environment suitable for beginners. Divers and snorkellers can expect depths ranging from 2 to 7 metres, with an average depth of 4 metres. The site is accessed from the shore and features mild currents with visibility between 15 and 30 metres. Water temperatures fluctuate seasonally from 18C to 29C. The site supports night diving and is served by a local dive shop providing air fills, equipment rental, and boat charters. Parking is available at the entry point. Divers should be aware of sharp coral and stonefish present in the area.

Aladin's Cavern is a reef dive located off the coast of Fethiye, Turkey. Accessible by boat, the site features depths ranging from 20 to 30 metres. Divers typically encounter mild currents, though conditions can vary, and visibility fluctuates between 10 and 30 metres. The site is suitable for beginners who wish to remain in shallower sections, while more experienced divers can explore the deeper parts of the reef. Divers should remain alert for potential entanglement risks near the cave structures and monitor their position closely, as currents can occasionally strengthen. Water temperatures remain between 22 and 28 degrees Celsius throughout the year.

Construction is a reef and wall site located in the Gemiler Island area of Turkey. The topography features a combination of reef and wall structures, with depths ranging from 18 to 25 metres. The site is suitable for beginner divers, who can explore shallower sections along the reef. Conditions are generally forgiving with visibility between 10 and 30 metres. Water temperatures fluctuate between 18 and 24 degrees Celsius throughout the year. While shore entry is possible, divers should exercise caution regarding the cave environment present at the site and avoid entering overhead structures without appropriate training. Maintain close contact with your group due to variable visibility.