Golf Cart Included!! Harbour Key Retreat. Is located in Harbor Island. Both free WiFi and parking on-site are accessible at the holiday home free of charge. The property is non-smoking and is situated 3 km from Harbor Island Beach. The holiday home also includes 3 bathrooms. For guests with children, Golf Cart Included!! Harbour Key Retreat. Features a children's playground. The nearest airport is Savannah/Hilton Head International Airport, 132 km from the accommodation.