Yes, most hotel room reservations are fully refundable provided that you cancel before the hotel's cancellation deadline, which in most cases is within 24 or 48 hours of your check-in date. If you have a reservation that's non-refundable, it may still be possible to cancel it and be given a refund within 24 hours of booking. Plug in your dates, click on "Search", then use the filter option "fully refundable" to get the best options available near Port St. Lucie Botanical Gardens.