Kopan Sushi & Ramen

Stopped by Kopan Sushi & Ramen after visiting the Crystal Cathedral — it was so hot, I went for the Yuzu Miso Black Snapper Crudo and Japanese cold noodles, super refreshing. I always get sweet shrimp and uni sushi, and this time tried the chef’s recommendation, the Ginza sushi platter — fresh and looks great. The Unagi Donburi (eel rice bowl) was amazing too, tender eel with avocado and fish roe, really tasty.

They also have a deal where the second sushi roll is half off, which is pretty awesome. The place is open late on weekends, perfect for a chill late-night bite. Definitely coming back!

Atmosphere: 5

Food: 5

Service: 5

Great place, very tasty and fresh food

Atmosphere: 5

Food: 5

Service: 5

Just finished a heavy workout and came straight here without even changing. Absolutely hit the spot! The tonkotsu ramen was rich and comforting, the crispy rice with spicy tuna was super flavorful, and their hot stone beef sizzled beautifully. I brought my mom who doesn’t eat raw fish, and she loved the veggie ramen and grilled items. The vibe here is cozy and very Japanese izakaya-style. Perfect for dinner or late-night cravings. Definitely coming back!

Atmosphere: 5

Food: 5

Service: 5

After exhausting most of the food spots in Irvine, I recently stumbled upon this cozy little tavern in Garden Grove — and wow, it’s a game-changer. At this price point, I haven’t found another place that matches its plating or food quality.

The menu is impressively diverse, the ambiance is warm and intimate, and best of all, they’re open until 11 PM on Fridays and Saturdays. For Irvine folks who constantly struggle to find decent late-night bites, this place is a blessing.

Whether you’re swinging by after work for a quick, comforting bowl of curry or unagi don, meeting up with friends for some bar bites and drinks, or coming specifically to enjoy the chef’s choice sashimi — this spot has you covered.

My personal favorite is the Hotate Crudo: a giant scallop as the base, topped with rich, fatty tuna belly, a perfectly balanced house-made sauce to cut through the richness, and a tiny dollop of caviar to bring out the flavors. It’s beautifully composed and seriously addictive.

The Salmon Don and Unagi Don are both incredibly hearty. For dishes that are just over ten bucks, the presentation is stunning — you can really tell the chef puts heart into the plating.

Since we had a group, we also ordered the Chef’s Choice Sashimi and Sushi. The portions were generous, the fish was fresh, and the chef even came over to introduce each type of fish — super friendly and passionate.

I especially liked the yuzu-seasoned black sea bream, which had a great texture and citrusy balance.

Don’t skip the sweet fruit sake! The pineapple and plum flavors were both refreshing and light — we’re already planning to hunt them down at the supermarket.

There’s also a daily specials board by the entrance and some solid lunch deals worth checking out.

Atmosphere: 5

Food: 5

Service: 5

Kopan Sushi is an absolute gem!
From the moment you walk in, the vibe is welcoming and modern, with a clean, minimalist aesthetic that lets the food shine. The sushi is incredibly fresh! every bite melts in your mouth. I highly recommend their Omakase selection if you’re looking to be impressed.

Service is attentive and friendly, and the chefs clearly take pride in their craft. Whether you’re a sushi connoisseur or just diving into Japanese cuisine, Kopan delivers quality and creativity with every plate. It’s easily become one of my go-to sushi spots!

Atmosphere: 5

Food: 5

Service: 5

Noodles

Atmosphere: 5

Food: 5

Service: 5

I had a really great time today! The service was exceptional. We were served by Mia and Joanne. Mia helped us navigate their big menu, and offered lots of suggestions. She told us she just started, so we were so surprised by her GREAT service! 10/10 experience, thanks Mia and Joanne!

Atmosphere: 5

Food: 5

Service: 5

We had a great lunch at Kopan in Garden Grove. The service was friendly and fast.

We ordered a mix of ramen and sushi. The Tonkotsu Ramen with Chashu was rich and flavorful. Yellowtail Jalapeño had a perfect spicy kick, and the Okinawa Sashimi was super fresh. The Mango Lover Roll was a delicious surprise — sweet, creamy, and balanced. Takoyaki and Ginza Sushi were also solid.

Atmosphere: 4

Food: 5

Service: 5

My first time but the place looks very original and food looks very good

Atmosphere: 4

Food: 5

Service: 5

I recently dined at Kopan Sushi in Garden Grove and the food and quality of fish was outstanding. My wife and I love eating sushi and we’ve been to quite a few spots in OC. This spot was definitely one of the better ones we’ve been to.

You know it’s good when the sushi counter is right up front and the sushi chef greets you immediately upon entering. We had a great meal one here and would definitely come back!

Atmosphere: 5

Food: 5

Service: 5

Stopped by for lunch, they have a good lunch special. Ramen plus an appetizer, drink separate for $18.95. Not bad compared to paying the same for a burger and fries. I would say the only downside to my experience was the manager (male) was not to keen to me dining alone. He just asked what I needed and I told him I wanted to eat. And he just stared and said 'just you?' To which I replied yes. People don't usually eat alone. Ok?? Unnecessary comment but whatever, older generation mentality. It did take a while for me to get service, unsure if it was because I was dining alone as there was only one waitress and 4 tables including me. I did get my food pretty fast and it was good. Price was decent. Maybe the atmosphere could be better if mentalities were different, it's ok to want to dine alone and enjoy our food :)

Atmosphere: 3

Food: 4

Service: 3

Literally best ramen I've ever had. This place is a must try

Atmosphere: 5

Food: 5

Service: 5

Recommended dishes: Kara Miso Ramen

The think this might be the best Japanese place in OC. The picture menu is awesome and fun to study. There is so much artistry, quality and value. The staff are obedient and cute. I splurged on myself. You feel like you are in a real back alley of Tokyo —the atmosphere is authentic. I keep coming back…

Atmosphere: 5

Food: 5

Service: 5

The sushi rolls are always good when I come here, however, I would not recommend the ramen to anyone. My favorite roll to get is the Naked Roll. The service has gone extremely downhill, which is not a good look. I came in with a larger party, and they charged us an automatic gratuity of 18%. I wouldn’t mind so much if we had actually received the bare minimum service. No one checked on our table after the food was dropped off or even came by to refill our waters, and I would consider these things to be the bare minimum. I’ll still come here, but I’ll probably just order to-go from now on.

Atmosphere: 3

Food: 5

Service: 1

A bit pricey compared to other places I’ve been too but the quality of the sushi is fresh and not fishy at all