This offer is strictly valid for new bookings made at least three months before the sailing date with full payment. The Early Booking Offer may also qualify for a complimentary one-grade upgrade subject to availability and not applicable to Jade, Mandarin, Celestial and Imperial Suites. The offer is subject to availability, and may be withdrawn or changed at any time at the discretion of Sanctuary Retreats without prior notice, and can only be combined with the Solo Travel and Travel with Children offers.