One Piece Sushi, located in Millbrae, CA, offers a diverse Japanese menu with options ranging from appetizers like miso soup and gyoza to a variety of sushi rolls and sashimi. Customers praise the affordability and quality of the sushi, with favorites including the unagi don and nigiri selections. The cozy interior and friendly service make it a great spot for a casual dining experience. Customers appreciate the option to order through an iPad and the efficient service from the staff. The menu also includes vegan and vegetarian options, catering to a wider range of dietary preferences. Overall, One Piece Sushi provides a welcoming atmosphere and delicious dishes at a reasonable price point, making it a go-to spot for sushi lovers in the area.