Longboat Key boasts luxury high-rise condominiums and bayside estates. This luxurious community gives residents a safe and private lifestyle. As you cross the bridge to this special town, you notice the upscale shopping area and tropical landscaping. A barrier island located of Florida's west coast, Longboat Key lies within two counties; the northern part of the key is in Manatee County while the southern part is in Sarasota County.($450,000 to $15,000,000).