Originally built on Fall Creek in 1944 as a water supply reservoir for Indianapolis, Geist Lake not only provides drinking water to the city but also offers an unparalleled scenic location in which to live. Located in the counties of Hamilton and Marion, Geist Lake, or Geist Reservoir, is surrounded by luxurious lakeside homes and country clubs with spectacular views, along with hotels and guesthouses for overnight stays. The Geist Marina Ramp is available for launching watercraft, which are used for pleasure and powerboating, fishing for largemouth bass, wakeboarding, and water-skiing on the lake. Non-motorized sports are also popular on the lake, such as canoeing, kayaking, sailing, and swimming.

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