British Beaches

Sand, sea, sun, surf and scones

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Porth Trecastle Beach

Rhosneigr, Ynys Mon / Isle of Anglesey

A sandy coved beach edged by cliffs and rock pools. The beach is situated between Aberffraw and Rhosneigr. The ancient burial chamber - Barclodiad y Gawres is located on the western headland.

Beach Type



An ice cream van


Scuba diving
Sea canoeing
Windsurfing and fishing
There is no zoning for water sports

Nature and Wildlife

The Coastal Isle of Anglesey Path runs from the beach in both directions. There is a wide variety of bird life in the area. Leaflets on Anglesey's natural attractions and walks in the area are available. ring: 01248 752450.

Water Quality




Cleaning and Litter

The beach is cleaned daily by the local authority and there are litter bins on the beach.


Dogs are allowed but dog bins are not provided. Owners are required to clean up after their dogs.

Awards and Recommendations

Marine Conservation Society Recommended

Tourist Information

Llanfairpwll Tourist Information Centre. Tel: 01248 713177 . Email: [email protected]


Nearest town: Rhosneigr
County: Ynys Mon / Isle of Anglesey
Latitude/Longitude: 53.2065, -4.4977
Postcode: LL63 5TE
(postcode is for sat-nav purposes only, and may not represent the actual address of the beach)

Explore more of the area around Llanfair-yn-Neubwll Community, Isle of Anglesey at Explore Britain.


The beach is located on the A4080 coast road between Aberffraw discharge and Rhosneigr.

Nearest Railway Stations

Ty Croes (About a mile and a half away)
Rhosneigr (Approx. 2 miles away)
Bodorgan (Approx. 3 miles away)
Valley (Approx. 6 miles away)
Holyhead (Approx. 9 miles away)

Important! Distances are as the crow (or seagull) flies. Road distances may be considerably longer, especially at estuary locations.


There is parking for 50 cars at the beach. There is a fee for using the car park.

Nearby Car Parks

Crigyll Bay, Llanfaelog (Unknown stay).
About 0.7 miles away
Llys Llywelyn, Aberffraw (Unknown stay).
About 1.6 miles away
Awel y Mor, Rhosneigr (Unknown stay).
About 1.7 miles away
Rhoscolyn, Rhoscolyn (Unknown stay).
About 4.7 miles away
High Street, Malltraeth (Unknown stay).
About 4.7 miles away
Malltraeth, Newborough (Unknown stay).
About 5.3 miles away
Church Street (Beach), Llanfairpwllgwyngyll (Unknown stay).
About 5.8 miles away
Newborough Beach, Dwyran (Unknown stay).
About 6.3 miles away
Trearddur Bay, Trearddur (Long stay).
About 7 miles away

Accomodation Links

Hotels and Guest Houses in Rhosneigr