This is the vanity I am trying to replace. I feel it is too “heavy” for the small area

While I agree that your current vanity takes up a lot of visual space and feels heavy, I don't feel like the one you selected meshes well either. What kind of home do you have, and what is your design style? You have the Kohler Memoirs classic toilet and some classic style lighting, and mirror. Something open on the bottom and in a lighter color would really open up the room. https://www.potterybarn.com/products/piedmont-single-sink-vanity/?pkey=cbathroom-vanities&isx=0.0.7755 - or this https://www.potterybarn.com/products/custom-classic-single-sink-vanity-white/?cm_src=AutoCatRel or this https://www.potterybarn.com/products/apothecary-single-sink-vanity/?pkey=cbathroom-vanities&isx=0.0.7061

Thanks, for the suggestions I have a very eclectic to transitional type home. This one we are buying is very traditional so am trying to change a few things out. We will be changing both the mirror and lights

Fiona - I think anything above will work with a transitional style and I'm glad you're changing out the mirror and lights. A lighter color and a bit of open space will make a world of difference in getting rid of the heaviness of the room.