Lowes Island is a census-designated place (CDP) in Loudoun County, Virginia, United States.

[2] Along with nearby Countryside and Cascades, it is considered one of the three main components of the Potomac Falls community (ZIP code 20165).

Neighboring communities are Great Falls to the east, Sugarland Run to the south, Cascades to the west, and Darnestown, Maryland, to the northeast.

[1] Sugarland Run forms the western border of the CDP, flowing north to the Potomac River at the physical Lowes Island.

[3] Located on the site is the "River of Blood" monument erected by Trump, which celebrates an American Civil War battle that never happened.