Llanddwyn Island, or Ynys Llanddwyn in Welsh, is a small tidal island located off the southwestern coast of Anglesey. Connected to Newborough Beach, the island is accessible on foot during low tide and is a prominent feature of the Newborough Warren and Ynys Llanddwyn National Nature Reserve. Known for its striking natural beauty and rich cultural heritage, it is one of Anglesey’s most popular destinations.
The island holds significant historical and spiritual importance, being closely associated with Saint Dwynwen, the Welsh patron saint of lovers. According to legend, Dwynwen retreated to Llanddwyn in the 5th century after a tragic love affair and founded a small religious community there. Today, visitors can explore the ruins of a chapel dedicated to the saint, along with a holy well that was historically believed to hold mystical properties for lovers.
In addition to its historical sites, Llanddwyn Island offers breathtaking views of the surrounding coastline and mountains. The island features two lighthouses, including Twr Mawr, a striking, conical tower that stands as one of its most recognizable landmarks. The island’s rocky outcrops, sandy coves, and rugged terrain create a picturesque and tranquil atmosphere, perfect for walking and photography.
The area is also a haven for wildlife. The surrounding waters of the Menai Strait are home to seals, and seabirds such as cormorants and oystercatchers frequent the island. The adjacent Newborough Warren dunes and Newborough Forest add to the biodiversity of the area, attracting birdwatchers and nature enthusiasts.
Llanddwyn Island is part of a protected nature reserve, and visitors are encouraged to adhere to conservation guidelines to preserve its fragile ecosystem. Access is subject to tidal conditions, and care should be taken to avoid being stranded.
With its blend of mythology, historical significance, and natural beauty, Llanddwyn Island offers a unique experience for visitors to Anglesey, combining cultural exploration with outdoor enjoyment.
Google map Llanddwyn Island 4.9/5
Google map Goleudy Tŵr Mawr lighthouse 4.9/5
Google map nearest parking at Newborough Beach

