I Sushi

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20649 Rustic Dr
Castro Valley, CA 94546

Phone: (510) 886-8528

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Neighborhood: Castro Valley

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Popular Menu Items

• 007 $17.00
• Hand-torched spicy tuna, avocado & macadamia nuts, topped w/ white fish, jalapeño, masago, sweet & creamy garlic sauce.Raw or uncooked protein.
• Edamame $4.00
• Sautéed with garlic olive oil sweet and sriracha sauce.
• Dragon Roll $15.00
• Tempura shrimp, avocado, cucumber topped w/ unagi.
• Semper Fi 01+01 “always Faithful” $17.00
• Tempura shrimp, avocado, basil & mango topped w/ torch salmon, jalapeño, masago, tempura crunch, sweet & creamy garlic sauce.Raw or uncooked protein.
• Gyoza $8.00
• Crispy fried pork and vegetable dumplings.

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Reviews for I Sushi

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  4.2 stars - Based on 41 reviews

#12 out of 158 restaurants in Castro Valley

#1 of 3 Japanese in Castro Valley

5 star				14 reviews	34%
4 star				23 reviews	56%
3 star				4 reviews	10%
2 star				0 reviews	0%
1 star				0 reviews	0%

Top Reviews of I Sushi

07/15/2025 - Brian N.
My experience at iSushi in Castro Valley was absolutely unforgettable, with friendly staff and sushi so fresh and flavorful it practically melted in my mouth. The creative rolls, like the 007 and Salmon Fantasy, paired with an excellent sake selection, made for a perfect date night that satisfied even the hungriest appetites. Though a bit on the pricey side, the exceptional quality and attentive service make every visit feel like a special celebration I eagerly anticipate repeating.