Carousing on Eel Pie Island was not peculiar to the 20th century.
Charles Dickens, in Nicholas Nickelby -
"Unto the Eel-Pie Island at Twickenham, there to ..."
"make merry upon a cold collation, bottled beer, shrub, and shrimps, and to dance in the open air to the music of a locomotive band."
Like this, maybe?
https://johnartandculture.files.wordpress.com/2012/10/simpsonsriver.jpg