The ivy figures on the tennis house’s walls were copied from an antique weather vane.

In the great hall, a Roman Thomas chandelier hangs over a miscellany of chairs.

Chairs by Soane in fabrics by Le Manach and Holland & Sherry surround a custom trestle dining table. Lighting by Roman Thomas .

The kitchen’s Paonazzo marble–topped island and cabinetry were designed by Liederbach and Graham, Architects .

Family time in the game house, where a custom pool table meets a vintage terminator 2 pinball machine.

The east cabin bedroom, custom ikat benches sit at antique bed frames from Cathouse Beds .

The master bath features Pewabic tile and a cast-iron tub by Waterworks . Calacatta marble–topped vanity designed by Liederbach and Graham, Architects .

The Litowitz family takes to the pool.

Delavan Lake by day.

A rustic bench beckons.