If you don't have a developed-in niche but do have a significant stroll-in shower, think about hanging floating shelves around the shower wall, like this spacious bathroom from Louis Duncan-He Designs. This bathroom storage cabinet has plenty of area for towels, bottles, makeup, and much more. A few oversized drawers https://mysocialfeeder.com/story3928054/details-fiction-and-tall-and-slim-bathroom-storage