San Castle, FL

United States

San Castle is a small residential city in central Palm Beach County, about 15 miles inland from the coast. Take SR-7 north or south, or exit I-95 at Okeechobee Boulevard and drive west 8 miles. Palm Beach International Airport is 12 miles southeast via Okeechobee Boulevard. Despite having over 3,000 residents, the entire city covers just one square mile.