 Bartlett then married Evelyn Fortune Lilly, ex-wife of Eli Lilly, and they continued to use the home as a winter residence until his death in 1953 and hers in 1997.She deeded the property in 1983 to the Florida Trust for Historic Preservation, which maintains the property as a historic house museum called the Bonnet House Museum & Gardens.The estate was valued at $35 million, the largest single private donation in state history.