Taking up residence in the middle of an ocean, lake or river isn’t for everybody. But for anyone who yearns for a property line that laps to shore, options abound. Architecturally expressive abodes for the aesthetically inclined, secluded dwellings for the nature-loving set, spacious compounds for the party minded, and unforgettable retreats for families are just the beginning.Take the Utopia Project. It’s not just a home. It’s a man-made island. With glass canopy panels that cover its interior or open out to create decks, it’s suitable for any climate. And its spaceship-style design allow for observatories with 360-degree views. Views of what, exactly? Well, that’s for the owner of this private island to decide. After all, the island home’s naval design, created by Yacht Island Designs in conjunction with BMT Nigel Gee, means it can be floated slowly to any desired location. Once there, the structure can withstand even the roughest seas thanks its four legged design. A...