Riptide

Three hundred years ago a pirate buried his bounty on a treacherous island off the coast of Maine. Now a high-tech treasure hunter is bringing his million-dollar recovery team to Ragged Island. They have the best hardware, the best divers, and the perfectly planned operation. There is only one problem: this island kills. First the computers fail. Then one man dies - and then another. Now the wind has begun to howl and the mysteries of Ragged Island are cracking open. Inside a fortress of tunnels, traps, and tides, a priceless treasure lies waiting...and so does an unimaginable evil...