The cancellation policy for a luxury yacht charter in Marmaris can vary depending on the charter company. For example, the cancellation policy for Viravira Yachting, a yacht charter company based in Marmaris, states that cancellations made 90 or more days prior to the charter start date will result in a 10% cancellation fee. Cancellations made less than 90 days but more than 60 days prior to the charter start date will result in a 50% cancellation fee, while cancellations made less than 60 days prior to the charter start date will result in a 100% cancellation fee. It's important to check the cancellation policy of your chosen charter company before booking to understand the terms and conditions.