Cancellation policies on Hilton Head Island in 2026 vary significantly between hotels and vacation rentals. Major resorts like the Omni Hilton Head Oceanfront Resort typically require you to cancel at least 7 days prior to arrival to receive a full refund; if you cancel after this window, you are usually charged for a one-night stay plus tax. However, if you are booking a private villa or house through companies like Sea Pines or Hilton Head Rentals, the policies are much stricter due to the "weekly" nature of island stays. Many rental agreements require a 40% non-refundable deposit at the time of booking, with the full balance due 60 to 90 days before arrival. If you cancel within that 60-day window, you may forfeit the entire amount unless the property can be re-rented. For a 2026 trip, it is highly recommended to purchase "Travel Insurance" with a "Cancel for Any Reason" clause, especially during the hurricane season (June–November), to protect your investment from sudden weather-related changes or personal emergencies that fall outside the standard cancellation windows.