Please read through the below before making your reservation. A NON-REFUNDABLE deposit of the first nights room and taxes is due upon booking. Cancellation is 72 hours prior to the arrival date to avoid any additional penalties. DO NOT ADD REQUESTS TO YOUR RESERVATION VIA THE BOOKING LINK. Any requests for your stay MUST be emailed to DELTAGUELPHGROUPHOUSING@MARRIOTT.COM along with the following information: Confirmation number, Name on reservation, Number of guests in the room, Specific Requests. We will respond to your email to let you know your request has been received. All requests are simply requests, they are not guaranteed however, our team will try our best to accommodate. Early check in and late check out are based on availability. Early check in prior to 12PM is a fee of $50 plus taxes. Late check out between 11AM and 5PM is a fee of $60 plus taxes. Late check out beyond 5PM is a fee of one nights room and taxes.