The Red Jacket Resorts, which I've found to be a pleasant place to stay in the past, is offering a Haunted Hotel experience for $99/night Oct. 26-28.
" The story of the clipper ship Red Jacket and the Haunted Hotel begins on the foggy shores of Yarmouth, Cape Cod. Born in 1809 to a family of Yarmouth seamen, Asa Eldridge, the ship’s first captain, was one of the most respected captains to sail the seas. Captain Eldridge continued his prestigious sailing career until 1856, when his ship and all those aboard mysteriously disappeared during a winter crossing of the Atlantic..."
And if you stay two nights at $99/night you get complimentary Halloween bash tickets.
More information can be found here.