Home » Belize Adventures Blog – The Cool Things To Do At a Private Island Resort » Belize private island packages on sale! September 30, 2011 Belize private island packages on sale! We have just dropped the price on the first four trips of our season. Our Adventure Island at Glover’s Reef Full Week trips are 15% off, and our Belize Adventure Week trips are 10% off. Visit our Belize specials page to see which dates are on sale.