Of 29 counties in the Beehive State, Summit County ranks 18th in terms of size (1,880 square miles). Summit County is in Northeast Utah. Summit County, Utah, includes around 1,000 acres of riverfront property for sale based on recent Land Network data. The combined market value of land for sale here was about $22 million. Browse all waterfront property for sale in Summit County on the Land Network to find the marina, lakefront and other recreational property that meets your needs, from waterside land perfect as a retirement investment to existing residential waterfront land and property for hunting, fishing and other outdoor-recreation pursuits! The most common type of land for sale by combined acreage in Summit County is house.