The SS Dakota is a shipwreck located 1609 metres off the coast of Pembrokeshire, United Kingdom. Resting at depths between 10 and 20 metres, with an average depth of 15 metres, the site is suitable for intermediate divers. Access is by boat only. Divers should expect strong currents and limited visibility, typically around 5 metres, making the use of a torch recommended for viewing structural details. Planning dives around slack water is essential to manage the current. Surface intervals require vigilance due to boat traffic, and caution is advised when moving near any sharp rock formations in the area.

Bull Bay, or Porth Llechog, is a coastal site on the north coast of Anglesey featuring a mix of reef and wreck topography. Divers and snorkellers can explore the remains of the paddle steamer Pansy, which are scattered near the rocks on the left side of the bay. The site is accessed from the shore via a shingle and rock beach. Depths typically range from 6 to 10 metres, with an average of 8 metres. Conditions vary, with visibility ranging between 5 and 20 metres and mild currents. Hazards include boat traffic, strong currents, and surf. Facilities available at the site include parking, toilets, and a cafe.

The Hoveringham Wreck is a shallow marine dive site located in Pembrokeshire, United Kingdom. Accessible only by boat, the site features a wreck lying at a depth of 3 to 10 metres. Divers should be prepared for strong currents in this area, which can impact the dive experience. Visibility is consistently recorded at 5 metres. Water temperatures fluctuate throughout the year, ranging from a low of 8C in February and March to a high of 16C during August and September. Due to the current conditions, this site is best suited for experienced divers comfortable with moving water.

Puffin Island in Pembrokeshire offers a challenging marine environment featuring a mix of reef, kelp forest, and cave topography. Divers can explore depths ranging from 8 to 35 metres, with an average depth of 20 metres. Access is strictly by boat, as the site is located 800 metres from the shore. Conditions are variable, with strong currents and surge present, alongside visibility ranging from 5 to 15 metres. Due to the strong currents and potential for low visibility, this site is recommended for intermediate divers. Typical dive times are approximately 40 minutes. Divers should remain vigilant for boat traffic in the area.

Porth Wen Brickworks in Pembrokeshire offers a unique dive experience where industrial ruins meet the sea. The site features an old harbour area with underwater structures that function as an artificial reef. Divers should note that conditions vary, with visibility often limited and potential hazards including overhead environments and surf. The site is accessed from the shore and is best suited for intermediate divers due to the nature of the underwater ruins. Water temperatures fluctuate between 9C and 16C throughout the year. Snorkellers may also enjoy the sheltered environment of the harbour area.

Menai Straights is a reef and drift site located in Pembrokeshire, United Kingdom. The site features depths ranging from 5 to 18 metres, with an average depth of 13 metres. Divers and snorkellers should be prepared for strong currents and low visibility, which averages around 5 metres. Due to the challenging conditions and significant boat traffic, this site is suitable for intermediate divers. Access is available via both shore and boat entries. Facilities at the location include parking, toilets, and air fills. Typical dives last approximately 30 minutes, and night diving is permitted.

The Kimya is a wreck site located in Pembrokeshire, United Kingdom, resting at depths between 10 and 15 metres. This site is suitable for beginner divers looking for a manageable wreck experience. Divers can expect mild currents and visibility ranging from 5 to 10 metres. Access to the site is strictly by boat, as the water edge features surf and shore breaks. Water temperatures fluctuate between 9 and 16 degrees Celsius, necessitating the use of a drysuit or thick wetsuit. Boat traffic is a primary hazard, so divers should deploy an SMB upon ascent and remain close to their guide or charter crew.

Trearddurr Bay in Pembrokeshire offers a shore-entry dive site featuring a mix of reef and wreck topography. Divers can explore rocky structures and nooks at depths ranging from 5 to 15 metres, with an average depth of 10 metres. Conditions vary, with visibility typically between 5 and 15 metres and moderate currents. The site is suitable for intermediate divers, with typical dives lasting around 45 minutes. Night diving is permitted. Hazards include boat traffic, potential entanglement, strong currents, and surf. Facilities available at the site include parking, toilets, a cafe, and a dive shop.