It has been awarded to Blackpool South beach, which is among 65 Blue Flag beaches recognised in England this year.
The news comes as the charity today announces 12 Blue Flags and 18 Seaside Awards in the East of England.
Seaside Awards are handed out by Keep Britain Tidy, to beaches that "meet the highest standards for cleanliness and facilities".
North East: Tynemouth Longsands, King Edwards Bay, Whitley Bay, Sandhaven Beach, Roker, Seaburn.
In total, 65 beaches around the country can now proudly fly a Blue Flag - an global award which means visitors can be sure they are clean and safe. The views from Weymouth Beach and the bay are spectacular, stretching across the horizon and taking in the Jurassic Coastline.
Romaine-linked E. coli outbreak reaches Nebraska
A previous warning was limited to chopped forms of romaine, including salads and salad mixes. The last shipments of romaine lettuce from the Yuma, Arizona region were harvested April 16.
Ryan Reynolds doesn't want his kids in 'crazy' show business
Saving this angry young brat from himself sees Deadpool confront a time-travelling, half-cyborg villain from the future ( Josh Brolin ).
Local rally held for those who couldn't go to Raleigh
They held up signs advocating for their cause, some of which played on memes or popular culture. "Veteran teachers are pretty much falling through the cracks".
This year, Great Western in Newquay has been awarded a Blue Flag for the first time and the South West held on to its crown as Britain's beach capital, having been awarded 26 Blue Flags and 50 Seaside Awards.
Canatara Beach will fly a Blue Flag again for the fifth straight year, as one of 27 beaches and nine marinas across Canada given the prestigious eco-certification administered in Canada by Environmental Defence.
Blackpool North beach opposite the Tower, Blackpool Central beach and Bispham beach have also been given Seaside Award status by Keep Britain Tidy.
Allison Ogden-Newton, Keep Britain Tidy's chief executive, said: "The success of the beaches in reaching the very high standards demanded is testament to all those who have worked so hard to protect and improve our beaches - from beach managers and volunteers to local people and businesses. Hopefully next year we'll see an even greater number joining us as we drive up standards across the board".