It is situated in the Mid-Boreal Uplands Ecoregion in a boreal forest of pine, birch, aspen, and spruce.

[3] Along the northern shore of Big Sandy Lake is an outfitter and a provincial recreation site.

Some of those lakes include Jayjay, Minnow, Warne, Floren, and Beck.

The outfitter leases and operates the 430-hectare recreation site from the provincial government.

[7][8][9][10] Fish commonly found in Big Sandy Lake include walleye, northern pike, whitefish, cisco, white sucker, and yellow perch.