So one of my innumerous folders of refs on my laptop is full of photos of my vacation to the Spanish coast and they're separated by days. I had already made the wet tiles from day 1, so here's one material from day 2... some tiles from Sitges (Catalunya) :) nothing really particular about them but I kinda liked them
All done in Substance 3D Designer
Rendered in Marmoset Toolbag
Here's the one from day one:
https://www.artstation.com/artwork/G89xJa