Welcome to Florida Keys Express Shuttle! Florida Keys Express Shuttle is an independently owned business that has been servicing customers in Marathon, Florida since 2011. We have more than 15 years of experience in the limousine and passenger transportation industry. Florida Keys Express Shuttle, LLC is an affiliated member of the local Chamber of Commerce, American Veterans Association, Limo Anywhere, and the National Limousine Association. Our premium services include transportation to casino events, wedding events, funeral events, special events, sporting events, parties, prom, daily trips, and big nights out.