Dyce Head Lighthouse, standing sentinel at the entrance to Castine Harbor, has been guiding ships safely home since 1828.

The real draw here is the Bold Coast Trail, which offers some of the most dramatic coastal views in the state. Just be prepared for a workout – those cliffs didn’t get there by being easy to climb.

Many of us dream of living by the seaside, but as the boujiest seafront areas often come with a premium price tag, it’s not always the most affordable property goal. Now, the cheapest coastal ...