CADUKE Under Pedestal Sink Shelf, 2 Pack Under Sink Organizers and Storage, 3-Tier Pedestal Under Sink Storage Bathroom Vanity, Corner Shelf Stand for Bathroom, Kitchen, Living Room, Black

I'm not sure if this would help or not or what your dimensions are but a quick fix that may help is a pedestal sink cabinet. That's just the first one I saw on amazon, I'm sure there's far nicer options.