1 East Hampton, N.Y. This futuristic 1992 seven-bedroom home centers on a domed living room with an oculus skylight, a wall of windows, and a lofted catwalk. It also includes a primary suite with a fireplace and a lower level with three guest rooms, a game room, and a gym. Outside are a pool, spa, tennis court, and pavilion, spread over 7 acres abutting a 46-acre reserve; East Hampton village and Sag Harbor are both about 10 minutes away. $5,495,000. Jack Pearson, Compass, (516) 457-7111
2 Lake Bluff, Ill. Designed by John Black Lee Associates, this 1978 brick-and-glass ranch-style four-bedroom on Chicago’s North Shore has an oversize, updated solarium as its centerpiece. The 4,000-plus-square-foot home also features two marble fireplaces, recurring slatted wood doors, floor-to-ceiling windows, diamond-set terracotta tile,…