Cuevas del Cap Salou is a marine dive site in Spain featuring a wall and cave topography. The site is suitable for beginners, with an average depth of 7 metres and a maximum depth of 9 metres. Access is by boat, located 555 metres from the shore. Divers can expect mild currents and visibility ranging from 10 to 15 metres. Water temperatures fluctuate between 14C in winter and 27C in August. The site supports night diving and typical dive durations are 60 minutes. As an overhead environment, appropriate caution is required. Local facilities include air fills, equipment rental, and guided tours.

Playa Fosil is a reef site in the Costa Brava, Spain, defined by a stone bar measuring approximately 8 metres wide and over 120 metres long. The site features depths ranging from 17 to 19.8 metres, with an average depth of 18 metres. Access is by boat only. Divers encounter mild currents and visibility consistently around 10 metres. The water temperature fluctuates between 14C in winter and 25C in August. This site is suitable for beginners, with typical dives lasting 45 minutes. Hazards include the depth, potential for entanglement, and sharp coral. Guided tours are available through local dive shops.

Escollera de Tarragona is a shore and boat-accessible site featuring a combination of a wall and an artificial reef structure. Located 50 metres from the shore, the site offers depths ranging from 15 to 26 metres, with an average depth of 18 metres. Divers encounter mild currents, though surge and swell conditions require caution near the wall and artificial structures. Visibility varies significantly from 5 to 25 metres. Due to sharp rocks and coral, entry points should be navigated carefully. Water temperatures fluctuate between 14C and 23C throughout the year, necessitating appropriate thermal protection. The site is suitable for beginners, with typical dives lasting around 40 minutes.

Pecio La Dragonera is a marine reserve site featuring a 65-metre merchant ship wreck alongside several smaller wooden wrecks. The main vessel sits in a navigation position with a maximum depth of 24 metres, while the deck lies at 19 metres and the bridge between 14 and 16 metres. This site is suitable for beginners and wreck training. Divers regularly encounter wrasses, white seabream, two-banded seabream, castagnole, bream, and snails. Less frequent sightings include great barracuda, Cratena slugs, Turkish wrasse, Mediterranean violet aeolids, sea stars, painted combers, sea squirts, and salema porgy. Shore entry is available, with depths averaging 20 metres and visibility ranging from 5 to 15 metres.

El Freu is a shallow marine dive site located in the Costa Brava, Spain. The site maintains a consistent depth of approximately 9 metres. Conditions at this location vary throughout the year, with water temperatures ranging from 14C in the winter months to 26C during August. Species recorded around this area include common octopus, wrasses, bream, and various invertebrates such as sea stars and crabs. Due to the shallow nature of the site, it is accessible for divers of varying experience levels. Divers should be prepared for seasonal temperature fluctuations when planning their visit to this coastal location.

Cova del Llop Marí is a sea cave located 100 metres from the shore near L'Ametlla de Mar. The site features an internal beach and is accessible by both boat and shore entry. Divers and snorkellers can explore depths ranging from 2 to 18 metres. Conditions vary with moderate currents and visibility typically between 10 and 20 metres. Due to the overhead environment, boat traffic, and potential for surf or strong currents, this site is suited for advanced divers. Parking is available nearby for those accessing the site from the coast.

San Jordi is a shore-entry dive site located in the Costa Brava, Spain, featuring a combination of reef and seagrass habitats. The site maintains a consistent depth of approximately 8 metres, making it suitable for beginner divers. Divers can expect visibility ranging from 15 to 30 metres with mild currents. Water temperatures fluctuate throughout the year, reaching a high of 26C in August and a low of 14C during the winter months. Typical dives last around 45 minutes. On-site facilities include parking, showers, and toilets. Potential hazards at this location include jellyfish, sea urchins, and sharp coral.

Mariona is a marine dive site located in the Costa Brava, Spain. The site maintains a consistent average depth of 10 metres. Conditions at this location vary throughout the year, with water temperatures ranging from 14C in the winter months to 26C in August. Species recorded around this area include common octopus, wrasses, Turkish wrasse, fried egg jellyfish, scorpionfish, white seabream, bream, castagnole, two-banded seabream, striped red mullet, tompot blenny, sea star, Mediterranean cardinalfish, and various crabs. Divers should be prepared for variable conditions typical of the region when planning their visit to this site.