Lake Weir, Recreational lake in Marion County, Florida, US.

Lake Weir is a large recreational lake in Marion County with sandy beaches and coves suitable for swimming and fishing. The water varies from shallow areas near the shore to deeper sections, making it accessible for different water activities.

Lake Weir takes its name from Nathaniel A. Ware, a state land official of the frontier period, but the spelling recorded on maps differs from his surname. Before that, in the 16th and 17th centuries, the lake lay within the territory of the Acuera, a Timucuan-speaking people.

During the 16th and 17th centuries, the lake territory belonged to the Acuera, a Timucuan-speaking indigenous tribe of Florida.

Lake Weir lies in southern Marion County, reached from Ocala to the north; the vegetation-filled canal at its western end links it to Little Lake Weir, so paddlers can pass between the two. The Harris chain to the southeast is not hydrologically connected, so boaters cannot reach it directly from this lake. Alligators live in the water, so keep a distance at the shoreline.

This lake connects to a smaller adjacent water body through a canal filled with aquatic plants, creating a natural passage between two separate systems. This connection supports fish movement and creates an interesting landscape for paddlers and anglers to navigate.