After speaking with Gino (who is helping with the shower pan and the tile) he indicated that if the river rock we want to use in the bathroom is carried into the shower, it could pool water in the cracks between the rocks and not be the most practical thing to use.
With that said, I went to Paradise Tile in Aguada this morning to look for an alternative. I found a really cool rock, but it is pretty expensive. I also found the tile/rock that we liked from Home Depot and it cost about a dollar more per 12” section. This tells me we will have to pay for a better selection. What do you think about the new flat river rock I found?

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I LOVE it! How much is the flat river rock?
I like it but with that much grout area, I guess it would depend on the color grout you intend to use. Might want to grab a couple and grout color test..
You are right, there is a lot of space for grout. Summer, what do you think?
Light gray grout?
Robin?
[…] I think Robin is right about the grout space on the flat river rock. Since the master bedroom is going to have hardwood floors, I think the travertine will compliment […]