Milford Haven Museum

Three floors of maritime history await in this proper Victorian customs house that's been converted into Milford Haven's local museum. The building itself tells quite a story - built in 1797 when the port was establishing itself as a key naval harbour. You'll find yourself wandering through rooms packed with ship models, old photographs of the harbour in its industrial heyday, and displays about the town's whaling past that most visitors never knew existed.

Families with curious children will get the most from a visit here. The museum does well at explaining how this natural harbour shaped everything from Nelson's fleet preparations to today's oil refineries. Local artifacts include fascinating bits about the area's fishing industry and some cracking old maps showing how the waterway looked before all the modern development.

Allow about an hour and a half for a thorough look around. The museum's open Monday to Saturday until 4pm, though it's worth checking their website as they sometimes close for special events. Given Milford Haven's industrial character, this museum adds useful context if you're staying at one of the nearby sites like Newton Farm or Creampots Touring Park. It's a good rainy day option that works well before or after exploring the coastal paths around Little Haven.