Carmarthen, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. Carmarthen is known for its connection to the legendary wizard Merlin and the nearby Carmarthen Castle. The best time to travel to Carmarthen, United Kingdom, is from June to August, with average air temperatures around 18°C (64°F) and water temperatures near 16°C (61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
