Shipwreck at Har's Point

From the publishers website: A few weeks ago a ship was wrecked off the hamlet of Har's Point. Rumours abound that the ships was carrying wealth, and the unhappy spirits of the dead sailors walk the nearby beaches. A 1st edition Advanced Dungeons & Dragons adventure designed for 4-6 player characters of levels 2-4 (about 12-16 character levels).