Donaghadee is a small seaside town in Northern Ireland. If you drive towards the lighthouse pier the road bears right, just before the pier. About 150yds down that road is a car park. that everyone uses. It has a workshop in the corner where they are refurbishing the old life boat. It may have a sign, no overnight parking but overnight parking is very much tolerated, as you can no longer stay at the official Aire 10mins drive away at the commons. The commons has full services available 10 min drive away.
(54.6413736, -5.5304937)