There’s something incredibly rewarding about discovering an authentic taste of tradition tucked away in the hustle and bustle of Singapore’s modern food scene. For those who enjoy uncovering lesser-known culinary gems, Sushiro Singapore is currently offering a rare and delightful experience with its Shimazushi range — a unique sushi style originating from Japan’s remote Izu Islands.
Shimazushi is not your usual sushi. It’s a humble, heritage-rich preparation that tells a story of Japanese island life, deeply rooted in culture and coastal living. Unlike the conventional sushi most are familiar with — typically cooled or chilled and adorned with wasabi and soy sauce — Shimazushi flips the narrative. It’s served at room temperature and doesn’t rely on soy sauce for flavour at all. Instead, it draws out the natural umami of fish using a sweet-soy cure and adds a surprising dash of mustard in place of wasabi.
This traditional twist results in a sushi experience that is soulful, satisfying, and completely different from what diners might expect — making it the perfect reason to visit Sushiro’s outlets and dive into something refreshingly new.
What Is Shimazushi and Why Is It Special?
The word Shimazushi literally translates to “island sushi.” It hails from the Izu Islands, an archipelago just south of Tokyo. The remote location and availability of local fish led to this unique adaptation of sushi-making. In the past, islanders needed a way to preserve freshly caught fish without refrigeration. This resulted in marinating fish in a mix of soy sauce and mirin to enhance its flavour and shelf life. To kick up the heat, they turned to mustard — a pantry staple in lieu of wasabi, which was harder to find on the islands.
Over time, this method became beloved across the region and remains a staple even today. At its core, Shimazushi is about simplicity, balance, and ingenuity — proving that the best culinary traditions are often born from necessity and preserved through taste.
Sushiro’s Modern Island-Inspired Take
Now available in Sushiro Singapore outlets, two new Shimazushi selections are being introduced, and they are available while stocks last:
Shimazushi Yellowtail ($3.90++)
Yellowtail, or buri, is a popular fish in Japanese cuisine for its soft, buttery texture and rich flavour. In this Shimazushi variant, the yellowtail is marinated in a blend of soy sauce and mirin, bringing out a deep, oceanic sweetness. What makes this piece so memorable is the gentle heat of mustard, which complements the fish beautifully without overpowering it. It’s an elegant, balanced bite that’s both mellow and zesty — proof that subtlety can be just as powerful as boldness in the world of flavour.
Shimazushi Swordfish ($2.30++)
Swordfish, known for its firm and meaty texture, is often underrated. Here, it shines. After curing, the fish becomes silky yet substantial, and when laid over seasoned vinegared rice, the result is a well-rounded mouthful of satisfaction. Unlike sashimi or sushi made with raw fish, the marination gives it a refined, clean finish, enhanced once again by the mustard touch. It’s not fiery — just pleasantly piquant, enough to lift the umami and make every bite feel composed and special.
Why You Should Try This Promotion
It’s easy to get swept up in the usual conveyor belt offerings or stick with trusted sushi favourites, but part of the joy of eating out is discovering something new. This promotion brings forward a culinary tradition that is both authentic and uncommon in Singapore’s dining landscape.
Here’s why diners shouldn’t miss out:
1. Rare Opportunity for a Taste of Tradition
Shimazushi isn’t something that’s widely available even in Japan outside the Izu Islands. Sushiro has made it accessible here in Singapore for a limited time, offering people a chance to enjoy an underrepresented regional dish without having to travel.
2. Affordable Exploration
At just $2.30++ for Swordfish and $3.90++ for Yellowtail, this promotion allows diners to explore heritage Japanese flavours without a hefty price tag. It’s an easy, budget-friendly way to dip into a culture that often feels far away.
3. A Break from the Ordinary
Let’s be honest — sushi can sometimes feel predictable, especially if one sticks to the same few items. Shimazushi adds a refreshing change. The balance of marinated fish, mild heat, and rice served at room temperature makes for a surprisingly addictive combination.
4. Perfect for Light, Flavourful Meals
Because the sushi is served at room temperature and leans into natural flavour over heavy seasoning, it makes for a light yet satisfying meal. Whether popping in for a quick lunch or leisurely dinner, it’s the ideal choice for those seeking something tasty but not overly filling.
When and Where
This Shimazushi promotion at Sushiro officially began on 12 May 2025 and is available while stocks last. Since availability can vary by outlet depending on demand, diners are encouraged to check with their nearest Sushiro location and visit soon to avoid missing out.
Sushiro is known for its high-quality, rotating menu of Japanese favourites, and this addition continues that tradition with finesse. With outlets across the island, it’s easy to find one nearby and treat oneself to this island-inspired delicacy.
Explore Sushiro outlet locations here:
Find Your Nearest Sushiro Outlet
Final Thoughts
In a food scene as rich and diverse as Singapore’s, it’s always a treat to discover new and exciting culinary experiences — especially those that are rooted in history. Sushiro’s Shimazushi is more than just a seasonal addition; it’s an invitation to taste tradition, to appreciate the cultural richness of Japanese regional cuisine, and to step outside the ordinary without leaving the city.
For sushi lovers, curious foodies, and bargain hunters alike, this is a promotion that ticks all the boxes. It’s affordable, authentic, and delicious — everything one could want from a quick meal or a leisurely snack.
So the next time you’re thinking of grabbing sushi, skip the usual picks and head straight for the Shimazushi. You just might find your new favourite.
Promotional/Event Details:
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Date: 12 May 2025 Onward
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Time: While stocks last, during standard Sushiro opening hours
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Venue: Available at all Sushiro Singapore outlets
Find Your Nearest Outlet
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