Heist-aan-Zee, Heist or Heyst, is a town in Knokke-Heist, West Flanders, Belgium.
It was a prominent summer beach resort in the 1890s.
It had a beach front lined with hotels and a "dike" paved walked way on a storm fender. Fishing boats were moored on the beach, and one could purchase a ticket to bathe in the sea.
Wikipedia https://en.wikipedia.org/wiki/Heist-aan-Zee
Koordinaten 51°20'14.767" N 3°14'23.926" E