The second level contains the master suite, which includes a master bedroom as well as a master bath, dressing room and private deck.

FORBES: Woods Hole Winner

The sun-drenched 19th and 20th floor residence has floor to ceiling glass walls, a master suite with a fireplace and French doors opening to a terrace, and an oversized master bath and dressing room.

FORBES: Calvin Klein Compound, Manhattan, New York

For instance, you can turn your living room and adjacent powder room into a first-floor master suite and let your adult children have your old master bedroom, or combine your son's old bedroom with the guest room and a secondary bath to create a second master suite upstairs.

WSJ: Re-feathering the Family Nest