I've been there twice since we've moved here, and plan to go many times. Both times, at lunchtime, patrons were dressed in shorts, tee shirts, sandals, tennis shoes and sundresses with heels. I would say no tank tops, wear shoes, cover bathing suits. Business/smart casual to dressy for dinner. It's a laid back, but fancy atmosphere.
It's casual. No one will say anything
There is no dress requirement. However I would recommend dressing business casual for dinner. I have never been there for lunch.
I agree with Rachel...casual at lunch, probably a bit dressier attire for dinner
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