Pics

I might be able to leave the bullnose edge tile, not sure. Don’t want to crack or hurt shower wall tile.

Very good chance of doing more damage than you think in removing the tile as you need to break it out. Why and what type of "shutter" are you looking to add?

You should just drill through the tile to add whatever window treatment you want. I cannot imagine a worse choice than a shutter for a wet area though. Better would be a frosted glass treatment for the window.

It’s a pvc plantation shutter, wet rated, and the window is about 7 feet off the floor at the sill. Very small chance of getting wet. Cheaper of all the options. Western wall, lots of sun. I don’t want to buy a new shutter if we ever retire the shower.

At 7 feet up the shutters are not going to be opened and closed. I'd look into gluing brackets to the tile to hold the shutters in place.

You say Very small chance of getting wet but yet the shower head is higher than the bottom of the window. I would think there would still be some splash hitting the window.

Shutter is Eclipse and waterproof. There maybe a little spray, but this is a guest bath with little use so not worried. We have same setup in master and not much water on walls above head. Rain head is low pressure. Shutter is best option.

I don’t know why picture posted, I could not see it while editing. Houzz can be so weird and I can’t edit from iPad.

Shutters are just so impossible to clean all the crevices and planes. You have to take them down and hose them off with a scrub brush for all the nooks.

Wide louvers make cleaning easier. I vacuum them.

You want the shutters, so why not leave the tile alone, drill through it for mounting the shutters and if you need to, put a thin, inconspicuous shim in the upper, non-tiled portion of the window to close whatever gap might be created there where the shutter frame is to be attached?

Western wall, lots of sun.

Much more effective than interior treatments is to block the sun from the glass on the exterior. Before the heat penetrates the building envelope. With landscaping or screening. Solar shade screens or shutters on the exterior or even simple, inexpensive roll-up solar shade on the exteior.

ci_lantro, in a hurricane area so no outside additions to building and also in HOA landscaping needs approval and the window is very high off ground so landscaping perhaps long term possibility but not immediate option.

10 years ago I added a textured window film to a window in our shower. It was less than $30, very easy to install and added all the privacy
I was looking for.

Andrews3277, we added uv film but it’s bot enough to mitigate the western sun, plus I hate the black hole of a window at night. :)