Sandy Lake, also known as Pelican Mountain, is a hamlet in Alberta, Canada within the Municipal District of Opportunity No. 17. It is located on Highway 813, between Calling Lake and Wabasca. It has an elevation of 565 metres (1,854 ft).

The hamlet is located in Census Division No. 17 as well as the federal riding of Fort McMurray-Athabasca.

In the 2021 Census of Population conducted by Statistics Canada, Sandy Lake had a population of 163 living in 46 of its 67 total private dwellings, a change of 34.7% from its 2016 population of 121. With a land area of 13.25 km² (5.12 sq mi), it had a population density of 12.3/km² (31.9/sq mi) in 2021.

As a designated place in the 2016 Census of Population conducted by Statistics Canada, Sandy Lake had a population of 52 living in 25 of its 39 total private dwellings, a change of -23.5% from its 2011 population of 68. With a land area of 1.67 km² (0.64 sq mi), it had a population density of 31.1/km² (80.6/sq mi) in 2016.

Media related to Sandy Lake, Alberta at Wikimedia Commons