Boğsak Bay is a wide, calm site on the Mersin Coast featuring a Blue Flag beach and Boğsak Island located just offshore. Divers and snorkellers can explore rocky areas near the island and the western cliffs. The site is suitable for beginners, with depths ranging from 1 to 15 metres and an average depth of 8 metres. Access is via a shore entry. Conditions include mild currents and visibility between 5 and 15 metres. Water temperatures fluctuate between 18C and 28C throughout the year. Facilities at the site include parking, toilets, showers, changing rooms, a cafe, and a dive shop. Be aware of boat traffic in the area.

Akyar Coves on the Mersin Coast consists of a series of small, rocky inlets featuring a reef environment. The site is accessible from the shore and is suitable for beginners, with depths ranging between 5 and 15 metres. Divers and snorkellers should expect mild currents. Water temperatures fluctuate between 18C and 28C throughout the year, with the water feeling notably cold due to the presence of underground freshwater springs mixing with the sea. Facilities at the site include parking, a cafe, and guided tours. The location is a popular choice for quick snorkelling trips away from the main sandy beaches.

Yapraklı Koy is a natural, pool-like bay located on the Mersin Coast. The site is defined by its narrow entrance, which protects the area from waves and provides calm conditions suitable for beginners. A distinctive feature of this location is the presence of cold freshwater springs that meet the sea, resulting in a unique thermocline. Visibility ranges from 10 to 30 metres, and water temperatures fluctuate between 18C and 30C throughout the year. Access is via the shore, and the site offers facilities including parking, toilets, showers, changing rooms, and a cafe. It is well-regarded for snorkelling, with depths starting from 3 metres.

Narlıkuyu Bay on the Mersin Coast is a unique site featuring a mix of reef and cave topography. The bay is distinguished by freshwater springs that bubble up from the seabed, creating a visible halocline effect and unusually cool water temperatures compared to the surrounding Mediterranean. Depths reach up to 9 metres, making the site accessible for beginners. Entry is via the shore, and conditions typically feature mild currents. Facilities at the site include parking and a cafe. Snorkellers should be aware of sharp coral present in the area. Water temperatures fluctuate between 18C and 30C throughout the year, influenced by the freshwater inflow.

Dana Island, located off the Mersin Coast, is a unique site featuring the remains of an ancient shipyard. Snorkellers can observe rock-cut slipways that extend directly into the water, providing a distinct historical perspective. The site is situated 2500 metres from the shore and requires boat access. Conditions are generally suitable for intermediate snorkellers, with mild currents and water temperatures ranging from 18C to 29C throughout the year. The northern coast offers shallower, calmer waters for exploration. As an artificial reef site, it provides a notable underwater environment for those interested in historical structures.

Kızkalesi Hidden Coves are small rocky alcoves situated north of the Maiden's Castle on the Mersin Coast. This shore-entry site features a rocky reef habitat that reaches depths between 3 and 20 metres, with an average depth of 10 metres. Conditions are generally suitable for beginners, though visibility varies between 5 and 15 metres and currents remain mild. Snorkellers should be aware of boat traffic in the area, as well as the presence of sea urchins and jellyfish. Facilities including toilets and showers are available for visitors. The site offers a typical in-water duration of 45 minutes.

Barbaros Bay on the Mersin Coast offers a varied underwater landscape featuring a mix of sandy patches and rocky reefs. This site includes both reef and wreck structures, making it an interesting location for snorkelers. Depths range from 2 to 15 metres, with an average depth of 8 metres. Conditions are generally mild, with visibility typically between 5 and 15 metres. Access is available via both shore and boat entries. The site is well-suited for beginners, providing a calm environment for those exploring the Mediterranean coastline.

Pirates' Bay on the Mersin Coast is a reef site offering shallow snorkelling conditions. The site features rocky peninsula edges that contribute to visibility ranging from 5 to 25 metres. With an average depth of 2 metres and a maximum of 3 metres, it is well-suited for beginners. Entry is via the shore, and the area experiences mild currents. Facilities available at the site include parking, toilets, showers, changing rooms, and a cafe. The water temperature fluctuates between 18C and 29C, with the primary swimming season occurring from May to December when temperatures remain above 20C.