The Dakotian is a wreck dive located off Milford Haven and Dale, sitting at depths between 7 and 20 metres with an average of 18 metres. This site is accessible to beginner divers, though it requires boat transport as it lies 1609 metres from the shore. Conditions vary, with visibility ranging from 2 to 10 metres and moderate currents present. Divers should plan their visit around slack water to manage currents and optimise visibility. Hazards include entanglement risks, low visibility, and strong currents. Jellyfish are present in the water, so full protective exposure suits are recommended to prevent stings. Shore facilities including air fills, showers, and changing rooms are available nearby.

Watwick Bay is a sheltered, south-facing site in Milford Haven and Dale, offering a shallow environment suitable for beginners. The topography consists of reefs and caves, with the eastern end featuring rock pools and shallow caves best explored at high tide. Depths range from 1 to 5 metres, with an average of 3 metres. Entry is via the shore, and currents are typically mild. Water temperatures fluctuate between 9C and 17C throughout the year, with the bay remaining slightly warmer than exposed beaches. Species recorded around this area include gray seals, curled octopus, wrasses, nudibranchs, flatworms, catsharks, conger eels, lobsters, crabs, and sea stars. Hazards include jellyfish and sea urchins.

Dale, located at the mouth of Milford Haven, offers diverse underwater terrain including reefs, walls, kelp forests, wrecks, and artificial reefs. This site is suitable for intermediate divers, with depths ranging from 15 to 90 metres. Access is strictly by boat. Conditions include moderate currents that can strengthen rapidly due to tidal flow, and visibility typically ranges between 5 and 15 metres. Water temperatures fluctuate from 9C in winter to 17C in September, making drysuits recommended year-round. Night diving is available. Divers should be aware of boat traffic, cold water, and potential down currents. Tidal planning for slack water is essential for safe navigation of this complex environment.

The Greek is a wreck and reef site located off Milford Haven and Dale. The site sits at depths between 6 and 16 metres, with an average depth of 12 metres. Divers can explore the wreck structure and the associated reef, which provides varied topography. Access is by boat only, and the site is suitable for beginners, though divers must be prepared for moderate currents. Visibility ranges from 10 to 30 metres. Water temperatures fluctuate between 9C and 17C, making a drysuit or a 7mm wetsuit recommended for comfort. Hazards include boat traffic and strong currents, so timing dives around slack water is essential.

St Brides Bay, located within the Skomer Marine Reserve, is a sheltered reef site characterised by red sandstone geology. The seabed features rocky reefs and kelp forests, providing a varied environment for both divers and snorkellers. Depths range from 10 to 30 metres, with an average depth of 12 metres. Conditions are generally mild, with visibility typically between 5 and 15 metres. Access is available via both shore and boat entries, making this a suitable location for beginners. Water temperatures fluctuate throughout the year, ranging from 9C in late winter to 17C in September.

High Point North is a shore-accessible reef and wall site located within the Skomer Marine Reserve. Divers typically explore depths between 15 and 18 metres, with an average depth of 15 metres. The site features a reef structure that drops away, requiring careful monitoring of the depth profile. Visibility generally ranges from 5 to 10 metres. Marine life observed at the site includes common wrasses, cod, spiny spider crabs, and European green crabs, alongside less frequent sightings of catsharks, compass jellyfish, and orange-clubbed nudibranchs. Due to boat traffic, divers must deploy a surface marker buoy before ascending. Shore entry and exit may involve a surf break.

Highpoint is a marine dive site located within the Skomer Marine Reserve in the United Kingdom. The site features a consistent depth of 9 metres. Water temperatures at this location vary throughout the year, ranging from a minimum of 9C in February and March to a maximum of 17C during August and September. As a marine environment, the site is subject to variable conditions typical of the region. It is suitable for divers looking for a shallow, consistent depth profile within the reserve. Access to this site is typically managed via boat from nearby coastal points.

Hen Chicks is a reef dive located within the Skomer Marine Reserve, offering depths between 8 and 16 metres. The site is characterised by mild currents, making it suitable for beginner divers. Visibility is generally good, ranging from 10 to 30 metres. Divers access the site by boat. Water temperatures fluctuate between 9 and 17 degrees Celsius throughout the year, requiring appropriate exposure protection. When diving, maintain careful buoyancy to avoid contact with the seabed and potential entanglement risks associated with the reef structure. Protective gear is recommended to prevent injury from sharp surfaces.