I went there as a kid with my mother, I remember the coloured sand souvenirs sold in Alum, different coloured sand in bottles, and small egg timers made with coloured sand.
It’s never appealed to me as an adult, I get the mental image of it being like an old fashioned Hastings or Bexhill, and they’re too old fashioned for me, but for all I know it may be England’s answer to Sint Maarten in the Dutch Caribbean, (minus the sunshine).