Big Woody  Island

Moderate risk: Strong tidal currents

The Great Sandy Strait experiences significant tidal movement through the narrow channels around Big Woody Island, which can create strong currents, especially on outgoing tides.

Moderate risk: Marine stingers (box jellyfish)

Box jellyfish and other marine stingers may be present in the warmer months (November to May).

Moderate risk: Outgoing tide current

Strong tidal flows through the Great Sandy Strait can create hazardous conditions for swimmers and kayakers, especially when wind opposes tide.

Moderate risk: Boat traffic near marina

The channel between Urangan Marina and Round Island is busy with boats and jet skis; kayakers and swimmers must stay vigilant.

Low risk: Remote island access

No permanent facilities or ranger presence on the island; visitors must be fully self-sufficient and carry communication equipment.

Low risk: Limited landing beaches

Only Jefferies Beach and One Tree are viable landing points; conditions change with tide and wind, making beach landings potentially hazardous.

Low risk: Shallow sandbanks at low tide

Extensive shallow sand banks and narrow passages can be hazardous for boat navigation and may leave snorkelers stranded away from deeper water.

Low risk: Exposed reef at low tide

The reef surrounding Round Island is exposed at low tide, limiting snorkeling access and posing a risk of cuts from sharp coral/crustaceans.