Yes, you'll find most hotel reservations are refundable if you cancel before the accommodation's cancellation deadline, which often is within 24-48 hours of check in. If you have a reservation that's non-refundable, it might still be possible to cancel it and receive a refund within 24 hours of booking. Add your dates and click on "Search", then you can use the "fully refundable" filter to view the best deals available near San Martin Square.