Grand Lake Homes You Can Buy Today! Grand Lake, the largest lake real estate market in Oklahoma, is home to more than 34% of all residential lake real estate listings in the state, according to LakeHomes.com’s 2019 Summer Lake Real Estate Market Report . The lake’s approximate 440 homes for sale total nearly $235 million in combined listing value, representing 47% of Oklahoma’s overall $426 million lake home market value. Homes in the Grand Lake market have an average list price of roughly $478,000 this summer. However, current property listings range from $38,000 to $3.9 million in price, offering potential Grand Lake homebuyers a wide variety of properties to shop. Inventory price distribution data provided by LakeHomes.com reports 71% of all lake homes for sale on Grand Lake this summer are listed for below $500,000. Homes listed for between $500,000 and $750,000 represent 17% of current Grand Lake residential inventory. The remaining 12% of properties are ...