You can sub cucumber for rice on sushi rolls. Server was more than willing to ask what vinegar was used in the sushi rice and if any of the sauces contained gluten
Safety
How confident are you that this establishment takes safety precautions against cross-contact?
— Somewhat
Quality & Quantity
Is there a gluten-free menu?
— Gluten-free items are marked on the main menu
How much of the menu is available gluten-free?
— Some
How would you rate the taste and quality of the gluten-free food you tried?