£100 off per booking: Offer valid on Electric Sunsets sailing on 1st September 2018 onboard Marella Discovery. No minimum spend applies. Use discount code ELECTRIC100. Offer must be selected at time of booking and applies to new bookings only, is subject to availability, cannot be used in conjunction with any other promotional code and may be withdrawn without prior notice. Please see www.tui.co.uk/cruise or the April 18 Marella Cruises brochure for full booking terms and conditions that apply.