Ernest Hemingway, Howard Hughes, Jack Dempsey, Laurel & Hardy, Joseph Kennedy, Gloria Swanson, Zazu Pitts, Rudy Vallee and Pres. Hoover fished off the Ida May as well as many other distinguished guests. Story is that Hemingway was inspired to write Old Man and the Sea while fishing on the Ida May. Hoover was definitely inspired as he wrote several books on fishing, one of which he recollects his time fishing in Catalina while on the Ida May.
You can visit the site at http://www.idamay.org