Best Japanese Food in Town

Authentic Japanese Craftsmanship in Every Dish

Welcome to Koiso Japanese Restaurant

Located in Carle Place, Koiso brings the artistry of Japanese cuisine to life. Each dish reflects refined skill, balance, and creativity—offering an experience that feels genuine, calming, and beautifully crafted from start to finish.

Crave the Craft

Every creation at Koiso is built with care and purpose. Textures meet precision, and presentation meets passion. It’s food that speaks through form, freshness, and finesse—leaving you eager for the next bite.

Unwind at Happy Hour

Join us Monday through Friday from 4:00 PM to 6:30 PM and enjoy 30% off all liquor. It’s the perfect time to relax, sip, and savor a moment of calm in our elegant Japanese setting.

Order From Our Website

Enjoy Koiso from wherever you are. Our online ordering brings you the same attention to detail and refined preparation—freshly packed and ready when you are. Convenience without compromise.

A Glimpse Into Koiso’s Kitchen Artistry

Step into a visual journey of Koiso’s creations. Each image captures a moment of craftsmanship, color, and care revealing the quiet beauty behind every plate we serve.

Fresh, Fast & Flawless

Enjoy Koiso wherever you are. Choose quick pickup or seamless delivery and bring the precision of Japanese dining to your table. Every order is prepared fresh, handled with care, and ready to impress—no detail overlooked.

Check Our Menu

A Place For Everyone

At Koiso, every guest finds their own moment of comfort. Enjoy the calm energy of our dine-in space, unwind with friends over happy-hour bites, or explore our thoughtfully crafted vegetarian options. Whether you seek relaxation, conversation, or inspiration, Koiso welcomes you just as you are.

Visit Us Today!! 🍣

Our doors are open to welcome you with care and craftsmanship. Hours: Mon, Wed–Thu: 12 PM–3 PM & 4 PM–9:30 PM Fri–Sat: 12 PM–3 PM & 4 PM–10 PM Sunday: 1 PM–9 PM Tuesday: Closed

What our guests are saying

Came here with my brother and he is a pretty picky eater and he absolute loved the sushi here. The food was amazing and the service was amazing our waiter was so nice and helped a lot. Truly loved the experience here I loved that I got to sit on tatami mat it was super nice. Overall the food was just absolutely amazing wild definitely be coming back and the tokayaki was one of the best I’ve had.

Jerick E.

Wow, first time at Koiso and we LOVE I!! The food was fresh, delicious, flavorful and portions are huge! The service by Sonny was amazing, kind and friendly. The owners also came by to chat with us. We definitely will be back. We ordered plenty so we can try and every dish from Jami salad to chicken teriyaki, pork gyozya, agedashi tofu, shrimp tempura udon soup and crab cream croquette was amazing. The restaurant was very comfortable, nice and cozy! Keep up the amoxnb work. Thank you for your hospitality!

Ms M.

Amazing food, worth a special trip here. The best katsu curry in NY, & amazing gyoza. Also, everyone is very kind & attentive, & it seems as though they have many regulars that they are friendly with, nice family environment.