One story tells of the drowning of nearly all the boys and men of a whole clan, when they were hit by a large wave or storm surge upon their return to the mainland.

The Montague Island Light buildings are entered on the Register of the National Estate because of the architectural quality of the tower and residences.

[citation needed] Forty-nine species of fauna have been recorded on the island by the National Parks and Wildlife Service NSW.

Crested terns, Sterna bergii, have brilliant white feathers covering the body while the head is completely black.

Originally introduced in the early 19th century to help feed the animals kept by the lighthouse keepers and their families, it has spread to cover most of the south island.

In the less accessible areas of the northern and eastern parts, an aerial spraying program is used to manage the kikuyu where it infests shearwater breeding sites.

In early October 2024, a show performed by the Djaadjawan Dancers, called Baranguba: A Tale of Noorooma,[18] premiered at the River of Art festival in Batemans Bay.

The performance combines modern digital technology with traditional dance, and includes animation and visual effects by Duncan Irving.

Djaadjawan Dancers, which was founded in 2015 by Sharon, includes girls and women of several generations from Wallaga Lake, Narooma, and La Perouse.

[18] The performance tells the story of the mass drowning of almost an entire clan of Yuin people in a storm surge in the 19th century, as they returned to the mainland in their canoes after collecting mutton bird eggs on the island.