If you find yourself in Corona Del Mar and hungry, but need vegetarian friendly options, then it's time to order from Ruby's Diner (Corona del Mar). Choose the most affordable delivery option listed on this page for the cheapest way to order Ruby's Diner (Corona del Mar). They're committed to serving up some of the best vegetarian friendly items in Corona Del Mar and. Way easier than cooking at home, but you can still enjoy it in the comfort of home. Order Ruby's Diner (Corona del Mar) delivery today!