Valid throughout the year When you visit Guernsey, you'll appreciate extra time to experience all that our island and The Duke of Richmond has to offer. Well now you can, as we're offering a fourth night on us when you book a three night stay! A minimum stay of four nights in all room categories except the Classic Double applies to this offer. Maximum one free night per stay. Rate showing in the booking engine has discount already applied and displays the average nightly rate across the stay. Standard cancellation policy applies. This offer cannot be used in conjunction with any other offer and is subject to availability and booking terms and conditions. Black-out dates apply.