Cairns, Northern Beaches and Palm Cove, Australia
The helicopter people are extremely nice and jovial but the flight out was uneventful. Saw one lone shark - no other sealife was visible. At the reef, we only allowed 1 1/2 hours to snorkel which wasn't a good value, IMO. What we did see was pretty good but if you have a chance, Moore reef is better
Unclear as to where to pick up the bus (it's down by the river - map provided via Viator was incorrect). Three different routes, only had time for two but covered the major sites. Be forewarned, if taking the tour bus to Vasa, check the times of the museum as the bus goes quite early vs late summer museum hours.