Here are some tips for enjoying your visit to Umi Sushi Express in Castle Rock, Colorado:

1. **Lunch Specials**: Take advantage of their lunch specials for a cost-effective way to enjoy a variety of sushi.

2. **Try the Signature Rolls**: Don't miss out on their signature rolls, which often feature unique combinations and flavors.

3. **Fresh Ingredients**: Ask about the daily specials or fresh catches of the day to experience the freshest offerings.

4. **Vegetarian Options**: If you’re looking for vegetarian choices, inquire about their veggie rolls and side dishes.

5. **Counter Service**: Be prepared for a counter-service experience, where you can place your order and enjoy a casual dining atmosphere.

6. **Takeout Convenience**: If you're short on time, consider placing a takeout order for a quick and satisfying meal on the go.

7. **Check Hours**: Verify their hours of operation before visiting, as they may vary.

Enjoy your meal!