Beaches in County Down

Six stretches of sand, and they sit at opposite ends of the county. Three of them face the Mournes from the south. Cranfield is the most southerly beach in Northern Ireland, a Blue Flag arc of sand and shingle at the mouth of Carlingford Lough with the 1824 Haulbowline Lighthouse offshore. Tyrella is two flat kilometres at the head of Dundrum Bay, backed by 25 hectares of protected dunes, with St John’s Point lighthouse coming into view if you walk west to east. Ballykinler, further along the Lecale coast, is really a walk rather than a beach day: the Lecale Way is the reason to go.

The other three belong to Belfast Lough and the Ards shore, and they are the easy ones. Helen’s Bay is backed by the woods and meadows of Crawfordsburn Country Park, with the coastal path running on to the Edwardian guns of Grey Point Fort. Ballyholme gives 1.3 km of sand and promenade on the eastern edge of Bangor, with the yacht club at the western end. Millisle Beach Park has the tidal lagoon that refills with clean seawater on every high tide, which is why it is the one to pick with toddlers.

Two practical notes. Cranfield lends all-terrain wheelchairs and mobility aids free through the Mae Murray Foundation. Tyrella is the only beach here with summer lifeguards, and Millisle has none at all.

Where to start

  1. Cranfield Beach – Down's southern tip Cranfield

    The most southerly beach in Northern Ireland, a Blue Flag arc at the mouth of Carlingford Lough that lends all-terrain wheelchairs free.

  2. Helen's Bay – beach and Grey Point Fort Helen’s Bay

    Sheltered, Green Coast-awarded sand backed by Crawfordsburn Country Park, and the only beach here you can reach from Belfast on a 22-minute train.

  3. Tyrella Beach Dundrum

    Two flat kilometres of sand at the head of Dundrum Bay, Blue Flag and Green Coast, with summer lifeguards and the Mournes straight ahead.

  4. Ballyholme Beach & Yacht Club Bangor

    A 1.3 km curve of sand and promenade on the eastern edge of Bangor, sheltered enough for a casual swim and busy with walkers.

  5. Ballykinler – beach and Abercorn Barracks Ballykinler

    A quiet Lecale village whose beaches and coastal walk are the draw; the Abercorn Barracks behind them are live MOD land and closed.

6 of 6 shown — tap a pin for the place.

Questions people ask

Which County Down beach is best with small children?
Millisle Beach Park. Its man-made lagoon refills with clean seawater on every high tide, giving a shallow, sheltered place to paddle, and there is a pirate-ship playground and free parking opposite. There is no lifeguard, so keep an eye on anyone in the water.
Are any of these beaches lifeguarded?
Tyrella has lifeguards in summer. Millisle explicitly does not. The other four carry no lifeguard information here, so treat them as unpatrolled and check locally before anyone swims.
Can I reach a County Down beach without a car?
Helen's Bay is the straightforward one: the direct train from Belfast takes 22 minutes, and the beach sits below Crawfordsburn Country Park. Ballyholme is on the eastern edge of Bangor, at the end of the same line.
Which have Blue Flag or Green Coast status?
Cranfield and Tyrella are Blue Flag beaches, Tyrella holds a Green Coast award as well, and Helen's Bay is Green Coast awarded. The awards cover water quality and management rather than facilities, so they are a fair guide to where to swim.
Which beach has the best view of the Mournes?
Tyrella looks straight across Dundrum Bay at the range, and Cranfield has it behind you at the mouth of Carlingford Lough. Ballykinler sits on the same Lecale stretch of coast between the two.

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