134 S B ST · SAN MATEO
Dessert Shop in San Mateo, California
134 S B St, San Mateo, CA 94401, USA · (650) 581-1327
Of the dessert shops in San Mateo on the registry, Simple Delights ranks first. Somisomi is fifth of 6.
Nestled in San Mateo, Somisomi is a beloved dessert shop known for its delightful soft serve and unique fish-shaped biscuits. With a rating of 4.3 from 178 reviews, it has become a favorite among locals, especially families drawn to its delicious matcha and ube flavors.
Customers rave about the refreshing taste and the efficient service, making it a popular stop after a meal. While the shop can get busy, the vibrant atmosphere and tasty offerings keep patrons returning for more of their sweet treats.
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Somisomi holds an AI Score of 26. Simple Delights holds 51. On Google they rate 4.3 and 4.8. Those are the figures the registry holds for both.
Simple Delights leads the San Mateo dessert shop leaderboard with an AI Score of 51, followed by Romolo's Cannoli (34), Cruel Donuts & Ice Cream (31) and Meet Fresh | San Mateo…
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We read this business’s Google listing on August 6, 2026 and found no posts on it.
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The shop is known for its delicious soft serve ice cream, particularly the matcha and ube flavors, as well as its unique fish-shaped biscuits.
The shop does not take reservations.
Long wait times for orders. Unfriendly service. No seating available.
Tuesday is the quietest day on this listing. Saturday is the busiest.
Somisomi is open Monday through Thursday from 12:00 PM to 11:00 PM, Friday and Saturday from 12:00 PM to 11:30 PM, and Sunday from 12:00 PM to 11:00 PM.
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The shop is located in downtown San Mateo, where parking options may vary; customers are advised to check for available street or lot parking nearby.
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Matcha soft serve. Fish-shaped taiyaki. Ube soft serve. That is the pattern across 25 reviews.
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Somisomi features a unique menu with a variety of soft serve flavors and toppings, and it is particularly popular with families and children.
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