IKKAI

109 S Main St, Naperville, IL 60540, United States
+1 630-355-5516
$$$ Sushi restaurant
(590 Reviews)
Price Range $30–50

IKKAI is a cozy sushi restaurant tucked along Naperville’s South Main Street, offering a quiet and intimate setting that feels perfect for a relaxed evening or a calm solo lunch. The dim lighting paired with subtle candlelight gives the space a warm, almost tucked-away vibe that encourages lingering over thoughtfully prepared dishes.

The menu leans heavily on classic sushi bar fare with a refined touch—freshness is clearly a priority here. Diners often gravitate towards the sushi bar entrees, including assorted salmon and tuna rolls, alongside unique options like the fatty tuna and tuna tartar. For those who prefer warm dishes, the tempura udon and vegetable tempura provide comforting complements to the cooler plates. The grilled eel over sushi rice and specialty rolls such as the Hangry and The Grinch Sushi add variety that appeals to both traditionalists and adventurous palates.

IKKAI’s size means the atmosphere stays personal, where servers can take time to offer insight and recommendations tailored to your mood or experience level with sushi. This attentive service rounds out the experience, making it feel more like visiting a well-informed friend's favorite spot rather than a typical restaurant rush.

Because it is a smaller place with a thoughtfully curated menu, IKKAI suits visitors looking for a more deliberate dining experience—whether it’s a date night, a catch-up with a friend over good sushi, or a peaceful lunch after morning activities like yoga. Early evening visits seem ideal to soak in the cozy ambiance without the bustle larger groups might bring, while solo diners will appreciate the calm atmosphere and attentive staff.

In all, IKKAI offers a slice of Japan’s sushi culture framed by Naperville’s relaxed downtown, giving locals and visitors a chance to savor fresh seafood and satisfy sushi cravings in a quietly inviting setting.

Highlights
Has fast service
Has great tea selection
Popular for
Popular for lunch
Popular for dinner
Good for solo dining
What they serve
Serves alcohol
Serves beer
Serves cocktails
Serves comfort food
Serves healthy options
Serves small plates
Serves spirits
Serves vegetarian dishes
Serves wine
Best for
Serves lunch
Serves dinner
Serves dessert
Has seating
Accessibility
Has wheelchair-accessible car park
Has wheelchair-accessible entrance
Has wheelchair-accessible seating
Has wheelchair-accessible toilet
Parking
Free multi-storey car park
Free of charge street parking
Free parking lot
Plenty of parking

Openings Hours

Checking

Monday

Closed

Tuesday

12:00 PM - 02:30 PM

,

05:00 PM - 09:00 PM

Wednesday

12:00 PM - 02:30 PM

,

05:00 PM - 09:00 PM

Thursday

12:00 PM - 02:30 PM

,

05:00 PM - 09:00 PM

Friday

12:00 PM - 02:30 PM

,

05:00 PM - 10:00 PM

Saturday

01:00 PM - 10:00 PM

Sunday

01:00 PM - 09:00 PM

590 Reviews
Anna Baranova

09 Jan 2026

Absolutely thrilled with this place! The sushi was incredibly fresh, every dish full of flavor, and the staff was very kind and welcoming. I tried the Uni Toro Nigiri with caviar for the first time - pure perfection! I also loved the atmosphere - dim lighting, cozy candles, and that hidden, almost secret vibe that makes the place so special. Cozy, elegant, and unforgettable - can’t wait to come back!

Aleks Ruso

11 Dec 2025

Hands down the best sushi I have ever had and I have tried lots of places. Everything was fresh, tasted amazing and was just as advertised. Daily specials and monthly specials available. The servers will tell you all about them. Definitely try everything crab that they have. Second best would probably be the salmon options. Also great drink options. Ask for recommendations since the servers are really helpful and nice. Tell them about celebrations or special occasions ahead of time as they can use some of their magic to make it even more special. It says online that they don’t take reservations but we were told that one of the table was reserved so maybe call and ask. We were lucky to get a table right away and then 15 after us there was already a line with an hour wait time. They have a handful of tables and some bar seating but it is a small place so keep that in mind. It’s downtown Naperville so parking is a hit or miss depending on the time and day you are planning on going. They get busy in the evenings and weekends are probably even busier. Awesome place!

dani marie

09 Dec 2025

A hidden gem. The space is absolutely incredible, a small but welcoming environment. Sushi… out of this world. Every single item was remarkably fresh and delicious. The staff must also be recnogized here - every single employee was so kind, welcoming, and provided great insight on the menu options. Manny was an absolute gem, giving great recommendations and checking in. Her warmth and positivity bring a good energy to the space!

J B

30 Nov 2025

A true Naperville gem and must try if you love sushi! The restaurant is small/intimate but very welcoming and the staff is very kind and knowledgeable. You can’t go wrong with the Hangry and the Zesty Salmon rolls.

Hanna Lee

20 Nov 2025

I came in for a solo lunch self-care after AM yoga class, and really enjoyed the calm, upscale atmosphere. It’s such a lovely local spot: perfect for a date night or small group celebration. The service and presentation were great and definitely lifted my mood. I did have two uni this time and remembered it being better on a previous visit, so it wasn’t quite as memorable today. Still, it hit the spot and satisfied my sushi craving. I appreciate the care that goes into this place and will definitely be back.

Chloe Chan

05 Nov 2025

I came to IKKAI on memorial day weekend on a Sunday with two friends for lunch. It was surprisingly not too busy and we were able to be seated immediately. We were able to order from the dinner menu when we visited. Note: Outside drinks are not allowed -- but the staff stored our drinks in the fridge as we ate. We ordered the Ikkai Sashimi ($40), the Main Street Roll ($13) and the Sake don ($35). The Sashimi and Sake don came with a salad and miso soup which were decent. The Sashimi was overall good and plated beautifully, although the cuts were smaller than average. There were two different kinds of salmon -- my guess is salmon and ora salmon. The ora salmon (fattier) tasted especially fishy, as if it wasn't super fresh; however, everything else was great. The sake don came with a lot of pieces of salmon and some baked salmon with mayo on the side, which was a nice surprise. My friend said that the main street roll was the best crab roll she has ever tried (she loves crab). Overall, I would say that the value of what we ordered was not bad. The taste of the sushi was also good for the area. The portions are definitely smaller, but the presentation was definitely a nice touch. I will definitely return to try other dishes in the future!

Hailey J

04 Oct 2025

MUST GO RESTAURANT!!! Authentic Japanese restaurant with high quality food options you can have in America. Chill, deemed environment to relax and enjoy your food. I just love so much it is sooo good. Tastes same as eating in Japan.

Kristiana B

16 Sep 2025

Hands down best sushi I have ever had. It was fresh, tasty, and personal. Jay the owner is behind the sushi bar working hard right along side his team, but makes time to have fun and connect with his guest. The small intimate location is right up my ally but does come with a wait which is the only downside so come early or plan to have some free time. Plenty of things to do near by so this isn’t really a concern but if you don’t like to wait keep that in mind. Can’t say enough great things, can’t wait to go back. New favorite sushi.

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