Vacation rentals in Lido Key / St. Armands Key offers rolling white-sand beaches and sparkling azure waters combine with a sophistication and charm to make Lido Key the gem of Florida’s Gulf Coast . The endless array of activities and the exhilarating mixture of attractions, restaurants, shopping, and accommodations are a sure fit for any traveler. Elegant shopping and dining are located on St. Armand’s Circle which is within walking distance of beautiful Lido Beach.