Agua Dolç is a reef site in Cadaques, Spain, offering shore access for both divers and snorkellers. The site features depths ranging from 2 to 25 metres with mild currents and visibility between 15 and 30 metres. A notable halocline exists here due to freshwater mixing from Montgó Natural Park, which creates pockets of colder water. Divers can encounter common wrasses and sea stars, alongside less frequent sightings of common octopus, Mediterranean moray, dusky grouper, scorpionfish, and various nudibranchs like the splendid elysia and Mediterranean violet aeolid. Facilities include parking, showers, and equipment rental. Be aware of boat traffic in the area.

Cala Tamariua is a coastal cove located in Cadaques, Spain, situated between two mountains. This site is suitable for beginners and offers shore access for snorkelling. The seabed is rocky, providing a natural environment for exploration. Water temperatures vary throughout the year, ranging from a low of 13C in February to a high of 23C during July and August. As a sheltered location, it provides a relatively secluded experience near the town of Port de la Selva. Snorkellers should be prepared for varying conditions typical of this Mediterranean coastal environment.

Cala Cativa is a secluded cove situated between Tamariua and Fornells near Cadaques. The site features a reef and the remains of a 1st-century BC Iberian shipwreck, which is largely buried beneath the seabed. Divers can explore the area at depths reaching 33 metres. Access is via a shore entry located 13 metres from the coast. Conditions are generally mild, though divers should be aware of sea urchins and sharp coral in the area. The site is suitable for intermediate divers and offers a snorkel rating of 4 out of 5.

El Boc i la Cabra is a diverse marine site located in Cadaques, Spain, featuring a combination of wall, reef, and cave topography. Divers can explore depths ranging from 8 to 28 metres. The site is accessible only by boat, and underwater conditions are subject to variable currents. Due to the presence of boat traffic, depth, and current, divers should remain aware of their surroundings. The site is suitable for beginners, though the varying conditions require careful planning. Water temperatures fluctuate between 13C and 20C throughout the year, depending on the season.

Cala Mula is a reef site located off the coast of Cadaques, Spain. This location is accessed by boat and offers a relatively shallow environment with depths consistently between 12 and 13 metres. Visibility at the site typically ranges from 5 to 10 metres. The water temperature fluctuates throughout the year, ranging from 13C in February to 22C between July and September. The site is suitable for divers looking to practice skills in a calm environment. The habitat supports a variety of reef fish and invertebrates typical of the region.

Platja del Pas in Cadaques is a semi-urban reef site offering a rocky seabed suitable for beginner snorkellers. Located behind the port, the area features calm waters with depths ranging from 1 to 8 metres, averaging 3 metres. Visibility typically fluctuates between 5 and 15 metres. Water temperatures vary from 13C in February to 23C in July and August, though the site can feel cooler than other Costa Brava locations due to its northern position on Cap de Creus. Access is via the shore, and the site includes facilities such as parking, showers, a cafe, and first aid. Be aware of sea urchins when entering or exiting the water.

Bace de Moli is a sheltered reef site located off the coast of Cadaques, Spain. This site is suitable for beginner divers, offering a calm environment with no significant currents. Divers typically explore depths ranging from 16 to 19 metres. Visibility at the site varies between 10 and 30 metres, with calmer morning conditions often providing the clearest views. Access to the reef is exclusively by boat. Before planning a trip, it is recommended to check locally for current boat operator availability and any seasonal facility arrangements.

Banyeres dels Monjos, or Monks' Baths, is a rocky coastal site in Cadaques featuring natural pools and a small submarine cave. This site is suited for intermediate snorkelers who enjoy rock-hopping along the shoreline. Access is via a shore entry, where conditions generally include mild currents. Water temperatures fluctuate throughout the year, ranging from 13C in February to 23C during the peak summer months of July and August. Divers and snorkelers should be aware of sea urchins and sharp coral present in the area. The site provides a distinct coastal environment for those exploring the marine topography of the region.