Well worth the full day trip, because even then, you don't get a lot of time to snorkel before you do the glass bottom boat tour, and then about an hour after that gets back, it's time to depart for Cairns. I recommend going on the 9am or 9:30 am departure.
Some content licensed under a Creative Commons Attribution 3.0 License.
© 1997–2013 Viator, Inc. 330256a All rights reserved. Viator is a registered trademark of Viator, Inc.
is a Service Mark of Viator, Inc. Travel with an Insider is a Service Mark of Viator, Inc.
Use of this website constitutes acceptance of Viator's Terms & Conditions.