It is located in western Southampton Island in the area of the Boas River and Bay of Gods Mercy.

[1] The sanctuary was named after Harry Gibbons Ohnainewk (c. 1900–1954), a local Inuit hunter and guide whose journals provided valuable weather data, especially on wind.

[5] Along with its wetlands, the Boas River is a Canadian Important Bird Area (site #NU022).

The Harry Gibbons MBS takes up the western portion of the IBA.

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