Michaelmas and Upolu Cays National Park

Michaelmas and Upolu Cays National Park protects two separate islands surrounded by coral reefs in the Coral Sea off Queensland's coast. Each cay has distinct features: one serves as a major seabird colony while the other showcases extensive underwater coral formations.

The islands gained protection status in 1937 to preserve seabird nesting grounds and coral systems. This designation expanded over time as understanding of the marine ecosystem grew and conservation efforts strengthened.

The cays hold meaning for local Indigenous groups who have connections to these waters through their heritage. The islands serve as places where traditional relationships with the ocean remain part of ongoing practices.

Access to the park requires organized boat tours departing from Cairns, with the most favorable conditions occurring from May through October. Bring sun protection and note that conditions at sea can change depending on weather patterns.

Michaelmas Cay functions as a breeding ground for more than 20 seabird species that gather in visible concentrations. The density of bird activity at such a small location creates an unusual natural spectacle.

Location: Douglas Shire

Operator: Queensland Department of Environment and Science

GPS coordinates: -16.60642,145.97364

Latest update: December 12, 2025 14:23