This is just my 2 cents, I'm certainly not a contractor. I would get rid of the shower and shift the vanity over to the right so it's in the middle of the wall. You should be able to do so without having to move the plumbing. I would also make it a good enough size so it can hold your linens as well. But not so huge that it looks ridiculous. I think building a closet in that corner won't look quite as clean. You can save that money and put it towards the vanity and working on the rest of the bathroom.

I also think you can totally get rid of the bathtub and put a big shower there instead. Would be pretty great to have a spacious shower. You can do the combo tub/shower thing but it won't look as good obviously. Hard to make style suggestions without knowing what the rest of the house is like. For some reason though, I do picture darker wood flooring and white walls. Not so sure how wood flooring holds up in a bathroom though.

Thank you ca_mark for taking the time to reply to me and for your suggestions. Much appreciated!! Have a great day!

I don't know anything about plumbing, but if possible, I would move the toilet to where the shower is so that it's not the first thing you see when walking in.

Thank you gracie01 for you suggestion. I appreciate you taking the time to reply to me.

It seems like everyone is taking out these monster whirlpools with tiled decks. By doing so you open up a TON of possibilities: how about the wc and shower (larger than that one please, since it will be only bathing fixture) where tub was. Shower drain can use the tub drain, and wc drain can almost certainly be extended a few feet to the right. Then you have the whole wall on left for a great double vanity, with room to spare for some tall linen cabinets at either end?