Recently celebrating 100 years, the Casa Marina Key West Resort opened on New Years’ Eve in 1920. The hotel was the vision of Henry Flagler, co-founder of Standard Oil. In 1912, Flagler’s Overseas Railroad, connecting the Florida mainland to Key West, was completed, and Key West needed a grand hotel to accommodate the affluent passengers who would make the long journey. Flagler would not see his vision come to life as he passed away in 1913, five years before construction began. The hotel was designed by Thomas Hastings and John Carrere, architects of New York City’s Metropolitan Opera House and the New York Public Library. The hotel lived up to…