Get Up To 25% OFF Oaks Hotels Lagoons, Queensland. Get up to 25% off when you stay 5 nights or more. Situated in Port Douglas, Oaks Lagoons combines deluxe accommodation with a range of leisure facilities. T&C: Minimum 5 nights stay. Booking window: Now until 31 Dec 2015. Stay window: Now until 31 Dec 2015. Book Now.