Even these from the 1860s are too bold for moslems!
http://www.victoriana.com/library/Beach/image/1864bathingsuits.jpg
1880s
https://fashionhistory.fitnyc.edu/wp-content/uploads/2020/09/Picture1.png
And 1900...
http://www.victoriana.com/library/Beach/image/1900swimsuit.jpg