Graham V. Kos and Shay A. Kos have listed for sale a four-bedroom, 4.5-bath home at 219 Beach Road in Belvedere for $5.2 million.

The Koses paid $4.0215 million for the property in June 2000.

The 3,558-square-foot house, built in 1900, is in Belvedere Bayside.

Paul Warrin of Sotheby's International Realty is the listing agent for the property.

Mr. Kos is the founder of Solstice, a leading second-home destination club.

Prior to founding Solstice, he was an options trader at the Chicago Board Options Exchange and was affiliated with Boulder Concepts Restaurant Group, a collection of restaurants in Denver and San Francisco.

According to BlockShopper.com, there have been 22 home sales in Belvedere during the past 12 months, with a median sale price of $2,632,500.

Address: 219 Beach Road
Buyer(s): Graham V Kos and Shay Kos
Seller(s): Graham V Kos
Sale date: Dec. 22, 2003