The New Margate, Ramsgate and Broadstairs Guide; Containing an Historical Epitome of the Ancient and Present State of the Isle of Thanet, Etc (1801)
To access the healing properties of the sea, bathing machines, which in Margate’s case were essentially carriages with ladders to dip into the ocean, were popular items. This would maintain propriety but also help those who needed assistance.
A Guide to All the Watering and Sea Bathing Places in England and Wales , with a Description of the Lakes; a Sketch of a Tour in Wales, and Itineraries (1803)
These were not a Regency invention, but were nonetheless popular throughout the Regency era. Margate’s Royal Sea Bathing Infirmary would open up in 1792, helping to establish Margate as a destination for wellness seekers.
Margate, overall, saw a lot of development in the Regency era including the construction of its pier from 1810-1816.
You can find a carousel of images of the Margate bathing rooms here: Bathing Rooms Margate 1821 | Margate History (margatelocalhistory.co.uk)
Some other posts about baths and sea bathing: Regency Reader Questions: Spas and Bathing
Regency Reader Questions: Spas and Bathing Part II
Regency Hot Spots: Royal Pump Rooms
Regency Health and Medicine: The Vapour Bath