Sam and Barbara Dawson use binoculars to get close-up views of whales and seals as they swim by just offshore. Dick and Mary Beatty prefer to get up-close and personal with schools of multicolored fish while they snorkel and scuba dive. For Tom and Jean Coss, the big thrill is hobnobbing with a friendly ghost named Maggie.
As disparate as these experiences may seem, they share a common trait. All three couples are overnighting in a lighthouse that was constructed long ago to help ships avoid dangerous hazards and guide them safely into harbors.