Quarter Horses for Sale in Delray Beach FL, Vero Beach FL

About Jupiter Island, FL

The town of Jupiter Island is located on the barrier island called Jupiter Island, in Martin County, Florida, United States; the town is part of the Port St. Lucie, Florida Metropolitan Statistical Area. It has no post office, as all mail comes from Hobe Sound on the mainland. The population was 817 at the 2010 census. Some of the wealthiest people in the United States live in Jupiter Island: the June 1999 issue of Worth magazine ranked it #1 in the country for having the highest median home sale, and it has the highest per capita income of any place in the US.