A multi-billion-dollar project set to bring a 600-room resort hotel, thousands of square feet of retail and office space, is in the works in southeast Mesa.

Retail developer Vestar and landowner Pacific Proving LLC are partnering to build a massive 200-acre commercial development along Williams Field Road and State Route 24.

It will be called Legacy Park, not to be confused with the former youth sports facility that was sold through bankruptcy court.

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