Context: Southampton became a spa town in 1740. It had also become a popular site for sea bathing by the 1760s, despite the lack of a good quality beach. Innovative buildings specifically for this purpose were built at West Quay, with baths that were filled and emptied by the flow of the tide.

Question: When did Southampton turn into a spa town?
Answer: 1740

Question: Despite not having a good beach, what decade saw  Southampton become popular for sea bathing?
Answer: 1760s

Question: Where in Southampton were special baths filled by seawater constructed?
Answer: West Quay

Question: What change in flow of the sea controlled the innovative baths at West Quay?
Answer: the tide