Come and Build your Dream Home!! Nestled on Florida’s S. tunning treasure coast, Sebastan offers the perfect Blend of Small- town charm and modern conveniences. Sebasian is the largest city in the county surrounded by National Retailers like Home Depot, Walgreens, Dollar General and others. Additionally the property’s proximity to National & Scenic areas such as Pelican Island, National Wildlife Refuge, Sebastian Inlet State Park, all add to it’s Value.