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White catamaran and glass bottom boat near tropical Low Isles

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Low Island (The Coral Cay)

Low Island is a 4-acre coral cay that acts as the main landing point for visitors to the reef.

Photo: tour listing on Viator

This sandy island sits 15 kilometers northeast of Port Douglas. It provides a base for commercial boat tours arriving from the mainland.

You can walk straight off the beach into the surrounding 55-acre coral lagoon. The island also holds significant maritime and scientific history, including an active 19th-century lighthouse and research station.

Catamaran sailing on the ocean under a bright sun
Photo: tour listing on Viator
01

Low Isles Lighthouse

15 minsBuilt in 1878

This active, 18-meter lighthouse was built in 1878 to mark the local shipping channel. It has been operating continuously since its construction. Join a guided heritage walk with a marine biologist to learn about its maritime history.

Sea turtle swimming underwater with catamaran visible above surface
Photo: tour listing on Viator
02

The Main Beach

1-2 hoursDirect water access

This sandy beach provides direct access into the shallow coral lagoon. It makes snorkeling simple for beginners and children. You can relax under the thatched umbrellas provided for shade between snorkeling sessions.

Man looking towards a tropical island with a lighthouse
Photo: tour listing on Viator
03

Weather Station

10 minsActive since 1887

The Bureau of Meteorology has gathered climate data at this station since 1887. It sits near the lighthouse keeper's cottage. The station forms a key part of the island's scientific heritage.

Explore the Island

Aerial view of green island with a small lighthouse nearby
Half Day Low Isles Snorkelling Tour from Port Douglas4 h 4.8 (412)from $175
half-day snorkelling tourfrom $175 on Viator
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