East Coast Florida marinas listed as houseboat-friendly include Kennedy Point Marina in Titusville (321) 267-7776; Vero Beach City Marina in Vero Beach (772) 978-4960; and Inland Marina in the Merritt Islands (407) 452-3740.
Kennedy Point is on the "Space Coast," that is, near Cape Canaveral. It features showers and laundry, tennis and raquetball, and exercise and game rooms.
Inland Marina is also near Cape Canaveral. Inland has laundry facilities and showers. It has hookups for electricity and cable television, as well as a swimming pool.
Vero Beach Marina is actually tucked into the mouth of the Indian River. Amenities include free buses to town, laundry, a lounge with a television, wireless service, mail pick-up, showers, and parking for automobiles, motorcycles and bicycles.