| Buy.com Siouxland Open | |
| Location: | Dakota Dunes, South Dakota |
| Establishment: | 1990 |
| Course: | Dakota Dunes Country Club |
| Par: | 72 |
| Tour: | Buy.com Tour |
| Format: | Stroke play |
| Month Played: | July |
| Final Year: | 2001 |
| Aggregate: | 268 Chris Smith (1997) |
| To-Par: | −20 as above |
| Final Champion: |  Pat Bates |
| Map: | USA#USA South Dakota |
| Map Label: | Dakota Dunes CC |
| Map Relief: | yes |
| Map Size: | 200 |
| Coordinates: | 42.485°N -96.492°W |
The Dakota Dunes Open was a golf tournament on the Buy.com Tour. It was inaugurated in 1990 as one of the founding tournaments on the tour,[1] then known as the Ben Hogan Tour, and ran until 2001. It was played in Sioux City, Iowa for the first three years before moving to the Dakota Dunes Country Club in Dakota Dunes, South Dakota in 1993, where it stayed for the remainder of its existence.[2]
In 2001 the winner received $76,500.[1]
| Year | Winner | Score | To par | Margin of victory | Runner(s)-up | |
|---|---|---|---|---|---|---|
| Buy.com Siouxland Open | ||||||
| 273 | −15 | 1 stroke | Matt Kuchar Eric Meeks | |||
| Buy.com Dakota Dunes Open | ||||||
| 270 | −18 | 1 stroke | Mike Schuchart | |||
| Nike Dakota Dunes Open | ||||||
| 270 | −18 | Playoff | Ryan Howison Craig Kanada | |||
| 274 | −14 | Playoff | Ryan Howison Sean Murphy | |||
| Chris Smith (2) | 268 | −20 | 2 strokes |  Glen Hnatiuk | ||
| 275 | −13 | Playoff | Chad Magee | |||
| 272 | −16 | 1 stroke | Greg Hamilton Clarence Rose | |||
| 276 | −12 | 2 strokes | Rex Caldwell Gary Webb | |||
| 260 | −16 | 1 stroke | Stan Utley | |||
| Ben Hogan Dakota Dunes Open | ||||||
| 207 | −9 | Playoff | David Jackson | |||
| 196 | −20 | 1 stroke | Stephen Ames Kel Devlin Kelly Gibson | |||
| 197 | −19 | 1 stroke | Mike Springer Steve Stricker | |||