The main gateway to both the Great Barrier Reef and the Daintree, built around a free public swimming lagoon since the natural shoreline itself isn't swimmable.
May through October for the clearest reef visibility and to avoid marine stingers; book reef trips in advance during the busier June-August months.
Fresh Coral Sea seafood along the Cairns waterfront, or a tropical-fruit breakfast — mango, lychee, dragon fruit — from the stalls at Rusty's Markets.
The Esplanade waterfront, within walking distance of the lagoon and the reef-boat departure docks.
Swim in Crystal Cascades' lower pools rather than jumping from the rocks above — it's a genuine, frequently-flagged injury risk there, not just a formality.
Read more in Tropical North Queensland: wild wallabies, rainforest & the reef coast.