Lonely Hearts is a 2006 American film directed and written by Todd Robinson. It is based on the true story of the notorious Lonely Hearts Killers of the 1940s, Martha Beck and Raymond Fernandez. The story of Beck and Fernandez was also the subject of the 1970 film The Honeymoon Killers, directed by Leonard Kastle and the 1996 film Deep Crimson, directed by Arturo Ripstein.
Filming began on March 21, 2005, with the majority of shooting taking place on location in and around historic venues in Jacksonville, Florida. Portions were filmed in the historic Riverside district west of Downtown, while additional shooting occurred in nearby Fernandina and Amelia Island. Several scenes were shot in the Davenport Hotel in Spokane, Washington. Shots of the famous fireplace and Peacock Lounge can be seen in the background.Jacksonville competed with Orlando and Ocala, Florida, and the state of Louisiana for the film. The film crew consisted of 218 local technicians, actors, and actresses, and 833 extras who generated a 3.28 million influx to the region. ........
Source: Wikipedia