Here is a compiled list of the Lighthouse Legacy (digital version) issued "off-and-on" since it took over the former printed (hardcopy) version in 2005. (Lighthouse on cover listed in parenthesis):

2005
June 2005 (Price Creek, NC: First Issue online!)
September 2005 (Round Island, MI)
December 2005(Grand Haven, MI)

2006
April 2006 (El Morro, PR)
October 2006 (Spring Point, ME)

2007
January 2007 (Old Michigan City, IN)
April 2007 (Avery Point, CT)
July 2007 (Kenosha, WI)
October 2007 (Hospital Point, MA)

2008
January 2008 (Flying Santa Collage)
April 2008 (New South Wales, AUS)
July 2008 (Collage of Wisconsin Lighthouses)
October 2008 (Collage of Maine Lighthouses)

2009
February 2009 (Old Michigan City, IN)
June 2009 (Collage of Bodie Island, Cape Lookout, NC, and Cove Point, MD)
November 2009 (Old Michigan City, IN)

2010
March 2010 (Collage of HL 1876 Centennial Piece)
April 2010 (Collectors Society 15th Anniversary Edition)
August 2010 (Collage of Cedar "Seahorse" Keys, FL)
October 2010 (Pemaquid Point, ME)
December 2010 (Kenosha, WI)

2011
February 2011 (Harbour Lights 20th Anniversary Edition)
May 2011 (Harbour Lights Alaska Reunion)
August 2011 (Point Retreat, AK)

[Edited List Above]