Cavalos de Fão is a submerged reef composed of Ordovician quartzite rocks located approximately 550 metres offshore from Póvoa de Varzim. The site features dramatic rock structures that break the surface at low tide. Conditions are challenging, with strong currents and surf, making this an advanced site. Water temperatures typically range between 14C and 17C, necessitating appropriate thermal protection to mitigate the risk of hypothermia. Access is possible by both boat and shore, though divers and snorkellers must remain vigilant regarding rip currents and sea urchins. Facilities available at the location include parking, toilets, showers, changing rooms, a rinse station, and a cafe.

Forcadinho is a rocky reef and kelp forest site located off the coast of Viana do Castelo, Portugal. The topography features a layered habitat created by the kelp, which is characteristic of this Atlantic temperate region. Divers can expect moderate currents, though conditions can shift to strong without warning, making careful assessment with the boat skipper essential before entry. Visibility typically ranges between 5 and 10 metres. Water temperatures remain between 14 and 17 degrees Celsius throughout the year. Due to the nature of the site and potential current hazards, this location is suited for intermediate divers. All equipment must be brought onboard, as there are no confirmed facilities at the site.

Baixo da Pena is a shallow reef located off the coast of Póvoa de Varzim, Portugal. The site features a depth range from the surface down to 8 metres, providing a suitable environment for beginner divers. Access to the reef is by boat. Visibility typically ranges between 5 and 10 metres, though conditions can vary. Water temperatures remain between 14 and 17 degrees Celsius throughout the year, necessitating the use of a wetsuit. While currents are generally mild, stronger flows can occur, and divers should remain alert for boat traffic when surfacing. Equipment rental and guided tours are available to assist with navigation and safety.

Praia de Rio de Moinhos in Viana do Castelo is a shallow reef and kelp forest site characterised by a rugged, pebbly beach entry. The seabed features rocky formations exposed by sea erosion, supporting patches of kelp. Diving here is suitable for beginners, with depths ranging from 2 to 5 metres and an average depth of 3 metres. Conditions are variable, with visibility between 3 and 15 metres and mild currents. Water temperatures remain cool throughout the year, typically between 14C and 17C, making a wetsuit necessary for comfort. Divers should be aware of surf conditions at this shore-entry site. Parking is available nearby.

Praia de Apúlia in Póvoa de Varzim features a series of rocky outcrops situated directly in front of the historic windmills. These formations create sheltered tidal pools and crevices suitable for observing invertebrates during high tide. This shore-entry site is designed for beginners, with depths ranging from 1 to 5 metres and an average of 3 metres. Conditions are variable, with visibility between 3 and 10 metres and moderate currents. Water temperatures remain cool, typically between 14C and 17C, presenting a risk of hypothermia. Divers and snorkellers should be aware of hazards including surf, rip currents, and sharp rock formations. Facilities at the site include parking, showers, toilets, and changing rooms.

Santo André in Póvoa de Varzim features a small rocky cove suitable for snorkelling. The site consists of a reef and kelp forest environment with an average depth of 3 metres, ranging between 1 and 5 metres. Access is via the shore, and the site is appropriate for beginners. Conditions include mild currents and visibility ranging from 3 to 10 metres. Water temperatures are cool, typically between 14C and 17C, necessitating the use of a wetsuit. Be aware of potential hazards including surf and rip currents when planning your visit. Parking is available at the site.

Parcel is a reef located off the coast of Viana do Castelo, Portugal. Reached exclusively by boat, the site features a reef structure spanning depths of 18 to 22 metres. Divers should expect moderate currents that can shift with the tide, requiring careful planning of air consumption and buoyancy control to navigate the sharp rock and reef edges. Visibility typically ranges from 10 to 25 metres. Water temperatures are cool, fluctuating between 14 and 17 degrees Celsius throughout the year. Due to the depth and current conditions, this site is suited for intermediate divers. Always remain vigilant for surface boat traffic, as the area is used by local vessels.

Praia do Quião in Póvoa de Varzim offers a shallow coastal environment featuring a mix of rock, sand, and kelp forest. With an average depth of 2 metres, this site is accessible from the shore and is well-suited for beginners. The Atlantic waters are cool, ranging from 14C to 17C throughout the year, making a wetsuit necessary for comfort. Snorkellers should be aware of local hazards including surf, strong currents, and sea urchins. Facilities at the site include parking, a cafe, and showers, providing convenient access for those exploring the shallow reef and kelp habitats of the Costa Verde.