According to the pre-vetted COVE location, "Ramsgate is a seaside town located in Kent...[with]...[t]ourism and fishing [as] its main industries" (COVE Admin). Furthermore, the importance of this location in Pride and Prejudice is clarified in "The Topography of England and Englishness in Jane Austen's Pride and Prejudice" by Shokhan Rasool Ahmed where Ahmed states, "Elizabeth realizes Mr. Darcy and Wickham's real nature through Lydia's elopement to Ramsgate" (Ahmed, 29). 

Ahmed, Shokhan Rasool. "The Topography of England and Englishness in Jane Austen's Pride and Prejudice". International Journal on Studies in English Language and Literature (IJSELL) Volume 3, Issue 8, August 2015, pp. 28-36.  https://www.arcjournals.org/pdfs/ijsell/v3-i8/4.pdf