El Portitxol is a snorkel site located in the Medes Islands, Spain, distinguished by the Arch of Portitxol rock formation. This site is suitable for beginners and offers shore access for those exploring the shallow waters around the arch and adjacent cliffs. Water temperatures at this location vary throughout the year, ranging from 13C in February to 24C in August. The site provides a straightforward environment for snorkelers to observe the local coastal topography and shallow-water habitats.

Cala de la Creu is an urban cove in the Medes Islands, Spain, featuring traditional fishing huts and a rocky seabed. The site offers shore access to seagrass meadows, making it suitable for beginners. Snorkellers can observe a variety of marine life, including common wrasses, bream, and white seabream. Less frequently, visitors may encounter Turkish wrasse, scorpionfish, comber, striped red mullet, and the splendid elysia. Other inhabitants include crabs, hermit crabs, and the occasional barrel jellyfish. Water temperatures fluctuate throughout the year, ranging from 13C in February to 24C in August, providing a varied environment for coastal exploration.

Punta del Ferro is a diverse site featuring a reef, wall, and cave system located 800 metres offshore in the Medes Islands. Suitable for intermediate divers, the site ranges from 9 to 30 metres in depth with visibility between 15 and 30 metres. Divers frequently encounter common octopus, scorpionfish, and various wrasses, alongside less common Mediterranean moray eels, conger eels, and nudibranchs like the Cratena slug. The topography includes sharp rocks and reef edges that require careful navigation. Boat access is required for this site, where moderate currents are common. Divers should remain aware of potential entanglement risks and sharp coral when exploring the wall and cave sections.

Bol Roig is a reef site located within the Les Planasses natural area near the Medes Islands. This location features a pebble beach entry leading to a rocky seabed. The site is suitable for intermediate snorkellers, offering a rating of 4/5. Depths at this location range from 6 to 25 metres. Conditions vary, with mild currents and potential surf. Water temperatures fluctuate throughout the year, ranging from 13C in February to 24C in August. Divers and snorkellers should be aware of the presence of jellyfish in the area. Typical sessions last approximately 30 minutes.

Contentin is a wall dive located in the Medes Islands, Spain, featuring a vertical drop from 8 metres to 30 metres with an average depth of 18 metres. Accessible only by boat, the site is situated 1600 metres from the shore. Divers experience variable currents and visibility ranging from 10 to 25 metres. Water temperatures fluctuate between 13C and 21C throughout the year. The site is suitable for beginners, though caution is required regarding boat traffic, sharp rocks, sea urchins, and jellyfish. Guided tours, equipment rental, and air fills are available for those visiting this location.

La Depuradora is a marine dive site located at the Medes Islands, Spain. The topography consists of a combination of reef, wall, and cave formations. Divers can explore depths ranging from 6 to 24 metres, with an average depth of 15 metres. The site is accessible via shore entry and typically experiences mild currents. Conditions vary throughout the year, with water temperatures fluctuating between 13C in February and 22C in August. This site is suitable for beginner divers.

La Xinxa is a wall and reef site located in the Medes Islands, Spain, suitable for beginner divers. The site features a reef structure ranging from 6 to 20 metres in depth, with an average of 14 metres. Visibility typically spans 5 to 10 metres. Divers frequently encounter common octopus, wrasses, scorpionfish, and various nudibranchs such as the Cratena slug. Mediterranean morays, conger eels, and cuttlefish are also present. The site is accessible only by boat, and divers should remain vigilant for boat traffic during ascents. Night diving is possible, offering increased activity from octopus and cuttlefish.

Illa Mateua is a rocky cove located near L'Escala, Spain, featuring a small islet and underwater tunnels. The site is suitable for beginners, with depths ranging from 6 to 11 metres. Access is via a shore entry, making it convenient for both divers and snorkellers. Visibility at this location typically ranges between 5 and 10 metres. Water temperatures fluctuate throughout the year, reaching a low of 13C in February and a high of 23C in August. The site is also noted for its proximity to the Constantin shipwreck.