Formerly known as the Hampton Pier Inn and likely to date back to the building of the pier in the 1860s by The Herne Bay, Hampton and Reculver Oyster Fishery Company, The Hampton Inn survived when everything else around was washed away by coastal erosion.
Read more about the history of Hampton-on-Sea on Wikipedia.
The photo above shows the site of the abandoned and drowned village Hampton-on-Sea. Source of identification of site: Martin Easdown, Adventures in Oysterville, (Michael's Bookshop, Ramsgate, 2008). Photograph credit: Linda Spashett, Storye book - Own work, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=9585795