Since opening its doors in August 1945, the business has gone on to be known the world over with the essence of its retro and 1950s milk bar style remaining largely unchanged across the decades, cementing itself as a Scarborough institution.
The Scarborough News looks back at some of the staff, events and charitable efforts from the last 20 years that have made Harbour Bar so special.
13. Harbour Bar Memories
One of the most enduring characters connected with the Harbour Bar was fundraiser Ernie Robinson, here at the annual Ernie Robinson Children's Charities party in 2003. Photo: Contributed
14. Harbour Bar Memories
All set for a busy New Year's Day of 2008 were Beth Johnson, Charlotte Davis and Ludmila Dubrova. Photo: Dave Kettlewell
15. Harbour Bar Memories
John Craven, filming for BBC's Countryfile, with Harbour Bar owner Gulian Alonzi in 2007. Photo: Contributed
16. Harbour Bar Memories
Talented rower James Briggs, who won a place at the prestigious Harvard University, pictured with his mum Jayne Watson, on a visit back to Scarborough, and to his favourite Harbour Bar, in 2010, with his fellow rowers from Shiplake College, in Henley-on-Thames. Photo: Andrew Higgins