In 2009, Peninsula proposed building a $150-million racetrack casino in Des Moines, Iowa that would be a sister property to the Prairie Meadows racino. The project was awarded a gaming license in May 2005, and the Diamond Jo Worth opened in April 2006. In 2004, Peninsula announced a proposed sister casino to the Diamond Jo, to be built in Worth County, Iowa at a cost of $40 million. The casino at the new site opened in late 2003, with races following in 2005. Landry Parish, which Peninsula carried out. After Lafayette voters had rejected slot machines at the track, Evangeline Downs had planned a move to St. They bought the remaining half several months later from William Trotter for another $15 million, plus 0.5% of slot revenues for the first ten years.

In February 2002, Peninsula bought a fifty percent interest in the Evangeline Downs racetrack in Lafayette Parish, Louisiana from B. The purchase was completed in July 1999, by which time the company had changed its name to Peninsula Gaming. The company's major shareholders were Los Angeles investment banker Brent Stevens and Las Vegas gaming developer Michael Luzich. In January 1999, Los Angeles-based AB Capital agreed to purchase the Diamond Jo Casino in Dubuque, Iowa for $77 million. History Peninsula Gaming (1999–2012) Diamond Jo Casino in Dubuque, Iowa In 2022, it sold the bulk of its assets to Churchill Downs, Inc.

Afterward, P2E continued to acquire and develop gaming properties. Its holdings grew to five properties, until 2012, when Peninsula Gaming was sold to Boyd Gaming for $1.45 billion. It began operations in 1999, doing business through a subsidiary, Peninsula Gaming. Peninsula Pacific Entertainment (P2E) is a casino gaming company based in Los Angeles.

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