1. Sir Richard Branson's heart-shaped island
Located off the coast of Australia, Makepeace Island, owned by Sir Richard Branson, is available to those who really want to say "I love you" in a grand way. The island is designed in Balinese style and includes a main house, a four-bedroom guesthouse, a few villas, a boathouse and a spa. A night's rental ranges from $7,900 to $14,990 depending on the number of guests. For information, visit makepeaceisland.com.