Spirit Lake Tribe of Mission Bay, North Dakota. After numerous renovations since its opening, it now has almost 150 hotel rooms, a 1,000-seat auditorium, a banquet hall, RV park, gift shop and a four-story aquatic center. In 2011 more job opportunities were added when the Spirit Lake Marina and Spirit Lake Grocery store were added to the grounds of the casino. The marina hosts a fishing tournament every summer. Spirit Lake Tribe The Spirit Lake Tribe (in Santee Dakota: "Mni Wakan Oyate", formerly known as Devils Lake Sioux) is a federally recognized tribe based on a reservation located in east-central North Dakota on
Spirit Lake Tribe treaty with the United States that established a reservation for Dakotas who had not been forcibly relocated to Crow Creek Reservation in what is now called South Dakota. The name "Devils Lake" is a calque of the Dakota phrase "mni wak’áŋ" (literally: spirit water), which is also reflected in the names of the Spirit Lake Tribe and the nearby town of Minnewaukan. The Dakota called the lake "mni wak’áŋ chante", which separately translate as "mni" (water), "wak’áŋ" (literally "pure source" but often translated as "spirit" or "sacred"), and "chante" (heart). European-American settlers misconstrued this name to mean "Bad Spirit Lake",