Search for condos for rent in Long Key, FL on Apartments.com. With 0 available, you can find the right condo with the floor plan and amenities that fit your needs. Many condo rentals are Pet Friendly and furnished to fit renters' lifestyles. When you rent a condo, you’ll likely rent from an individual owner rather than a property management company. This means units in the same building may have different features and layouts. Be sure to check out the photos and take a tour of the unit as you search for your Long Key home. There are some terrific Long Key neighborhoods with condos for rent, including Yacht Club Island and Waloriss. If you’re looking for a budget-friendly condo to rent, try looking in affordable nearby cities like Duck Key, Islamorada and Marathon Shores.