Üç Adalar (Three Islands) offers a diverse underwater landscape located 3000 metres off the coast of Kemer. This site features a variety of topography including reefs, walls, caves, canyons, and artificial reefs, alongside ship and airplane wrecks. Depths range from 3 to 40 metres, with an average depth of 18 metres, making it suitable for both beginners and experienced divers. Access is exclusively by boat. Conditions are generally mild with visibility ranging between 20 and 40 metres. Water temperatures fluctuate between 18C and 23C throughout the year. Divers should be aware of potential hazards including boat traffic, deep sections, sea urchins, sharp coral, and stonefish.

Light House is a reef and cave site located at Üç Adalar in the Antalya region. The site features a mix of reef and cavern topography, with depths ranging from 3 to 18 metres and an average depth of 12 metres. Access is strictly by boat. Due to the presence of caves and caverns, divers should be aware of the overhead environment. Conditions vary, with visibility typically between 5 and 10 metres. The site is suitable for beginners and caters to both divers and snorkellers. Water temperatures fluctuate throughout the year, ranging from 17C in March to 27C in September.

Phaselis Bay, located at the Three Islands, offers a shallow snorkelling experience ranging from 1 to 8 metres with an average depth of 4 metres. The site is notable for its submerged ancient Roman breakwaters and scattered amphorae, which can be explored in the protected waters of the south harbour. Visibility typically ranges between 10 and 25 metres, and currents are generally mild. Access is available from both shore and boat. The site is suitable for beginners, with a typical session lasting 30 minutes. Facilities including toilets and showers are available. Be aware of boat traffic in the area.

Phaselis North Harbor offers a unique opportunity to explore the submerged ruins of a 7th-century BC city. Divers and snorkellers can observe ancient quay walls and fallen columns resting in shallow water. The site features a mix of reef and artificial structures, with depths ranging from 4 to 7 metres. Conditions are generally calm with mild currents, making it suitable for beginners. Visibility varies significantly from 5 to 25 metres. Species recorded around this area include Indian Lionfish, Mediterranean Moray, Turkish Wrasse, and various species of parrotfish, bream, and goatfish. Facilities at the site include parking, toilets, and a cafe. A wetsuit is recommended as water temperatures can be cool outside of peak summer.

Antalya Region Reef at Üç Adalar is a shallow reef system ranging from 5 to 8 metres in depth. With visibility between 30 and 40 metres, the site is well-suited for beginners and snorkellers. The reef features a rocky structure with crevices that require careful navigation. Entry is from the shore, and divers should remain aware of mild currents and local boat traffic. Water temperatures fluctuate from 17C in March to 29C in August and September. Protective gear is recommended to avoid contact with sharp coral and sea urchins found within the reef crevices.

Alacasu Cennet Bay, located near the Üç Adalar, is a sheltered cove featuring a rocky coastline on its northern side that serves as the primary habitat for marine life. This site is suitable for beginners, offering depths between 2 and 10 metres with mild currents and visibility ranging from 10 to 20 metres. Access is available via both shore and boat. Species recorded around this area include Indian Lionfish, Mediterranean Moray, Turkish Wrasse, European Parrotfish, Pufferfish, Mediterranean Violet Aeolid, Blue-barred Parrotfish, Goatfish, Bullseye, Rabbitfish, Castagnole, Madeira Rockfish, and Bream. Facilities at the site include parking, showers, and changing rooms, with guided tours available. Divers should be aware of sea urchins in the area.

The Airplane C-47 Dakota is an artificial reef located between the smaller and middle-sized islands of Üç Adalar. Sunk in 2010, this 1942 military cargo plane rests at depths between 14 and 22 metres, with an average depth of 18 metres. Access to the site is by boat only. Divers encounter mild currents and visibility ranging from 10 to 30 metres. The site is suitable for intermediate divers. Species recorded around this area include Indian Lionfish, Mediterranean Moray, Turkish Wrasse, European Parrotfish, Pufferfish, and various sea stars. Hazards include boat traffic and depth. Water temperatures fluctuate between 18C and 27C throughout the year.

Pyramide Reef is a prominent site within the Üç Adalar group, featuring a distinct wall and reef topography. The site reaches depths of 35 metres on one side, while the shallower section ranges between 10 and 17 metres. Divers can explore a small canyon along with historical amphoras and anchors resting on the seabed. Access is by boat, located 3000 metres from the shore. Conditions are generally suitable for beginners, with mild currents and visibility ranging from 15 to 30 metres. Species recorded around this area include Indian Lionfish, Mediterranean Moray, various wrasses, European Parrotfish, Mediterranean Violet Aeolid, pufferfish, goatfish, cardinalfish, bream, rabbitfish, sea stars, and long-spined sea urchins.