Now their children have left home, Allen Lacroix and Jill Gamblen want to create a new home - one that floats on the Annacis Channel, just south of Vancouver, Canada. Their million dollar mansion will feature three outside decks; a luxury master bedroom; and a huge hot tub with amazing views. The build and the launch prove challenging. In Seattle, Joan Rosenstock is sinking her savings into a pair of brand new floating mansions with high-end finishes. The mansions must make a perilous 150-mile sea voyage in the middle of winter - before a team of tugs ease them into their moorings, as the luxury interiors finally come together.

A boat lover creates a micro riverpod in Kent. In Portland, Oregon, Jan and Don design a floating summer house with an open-plan living space