Hai Si

Restaurant · Aspen

Hai Si

Restaurant · Aspen

1

308 E Hopkins Ave, Aspen, CO 81611

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Highlights

Japanese-Spanish fusion, outstanding sushi, wagyu & tapas  

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308 E Hopkins Ave, Aspen, CO 81611 Get directions

haisiaspen.com
@haisiaspen

$100+ · Menu

Information

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308 E Hopkins Ave, Aspen, CO 81611 Get directions

+1 970 251 0454
haisiaspen.com
@haisiaspen

$100+ · Menu

Features

reservations

Last updated

Oct 26, 2025

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@eater

ustin Music Festival Hot Summer Nights Has Downtown Austin Restaurant Food Specials | Eater Austin

"New Waterloo is opening Hai Si, an izakaya with Japanese and Spanish cuisine leanings led by Otoko executive chef Yoshi Okai; it will be located at 308 East Hopkins and is slated to open in the winter of 2025 with a sushi bar, hot and cold dishes, a full bar, and wine and sake, and the team previewed dishes at the Aspen Food and Wine Festival in June." - Nadia Chaudhury

https://austin.eater.com/2024/7/17/24200556/hot-summer-nights-austin-music-festival-downtown-austin-restaurants-food-drink-specials-guide
View Postcard for Hai Si

Kristine Hanover

Google
Wow. Wow. Wow. This was our first time here and we sat in the private room. It’s sexy and an amazing vibe. The food was incredible. We tried pretty much one of everything and I don’t know if I can even pick a favorite. Will come here every time we come to Aspen, wow.

Emma Leppan

Google
Food, service, atmosphere, all 10/10. Andrea and our server Josh were wonderful. Chelsea the manager is incredible. The food is some of the best I have tasted in aspen! Such a unique experience and the atmosphere here in the restaurant is exquisite. Highly recommend!

Sasha Stone

Google
Cannot rave about this place more!! The food was incredible. We tried so many different items and it was so good! The service was great and so quick. I now have my new favorite place in Aspen! The vibe is sexy and fun with great music. A must try!!!!

Grace Hess

Google
Hai Si is AMAZING! It is such an eccentric spot. The wagyu tenderloin was so soft and buttery. The pan con tomate was such a great appetizer and all flavors were rich and savory. I loved the scallion oil served with the fried roll is a must have. James was very nice and had great recommendations.

Andrew Hughes

Google
If I could give Hai Sí Aspen more than 5 stars, I absolutely would! Our group had the privilege of dining in their stunning private room, and from start to finish, the entire evening was unforgettable. The space itself is beautifully designed—intimate yet elegant, with an ambiance that makes you feel both relaxed and transported at the same time. It’s the perfect setting for a celebration, special occasion, or simply treating yourself to something extraordinary. The food? Truly next level. Every dish was a work of art—fresh, creative, and bursting with flavor. Chef Yoshi Okai’s blend of Japanese precision with Spanish flair is unlike anything I’ve experienced before. From the delicate sushi to the bold, inventive small plates, each course was memorable and left us eager for the next. And please DO NOT FORGET to order the arguably life changing Short Rib and finish this unforgettable culinary journey with the Tofu Mochi Churros with a Matcha Chocolate Sauce (still dreaming of these). Then there’s the service: impeccable. The staff struck that rare balance of being attentive, knowledgeable, and warm without ever being intrusive. We felt cared for the entire night, which made the evening flow effortlessly and added so much to the experience. Hai Sí Aspen is more than just a restaurant—it’s an experience I’ll never forget. If you’re in Aspen and looking for something truly special (especially if you have a group and want to enjoy the private dining room), this is the place. I can’t wait to go back!

Ana Belén

Google
Hai Si is a fantastic new addition to Aspen! The Japanese-Spanish fusion concept is unique and works beautifully. As someone from Spain, I was especially excited to see jamón ibérico on the menu—but what truly surprised me was the sushi. The nigiri, in particular, was outstanding—some of the best I’ve ever had anywhere. The jamón nigiri was my favorite, though every piece was so flavorful and exceptional that we ordered a second round. Other highlights included the pan con tomate, crispy olives, and octopus. Our server was warm, attentive, and very knowledgeable, which really added to the experience. The restaurant itself is stunning, with a vibrant atmosphere and an excellent cocktail and wine selection. I look forward to returning soon and highly recommend Hai Si to anyone looking for a memorable dining experience in Aspen.

Isabela Turek

Google
Everything about Hai Si was 5/5. The space is stunning and sexy. The cocktails are delicious. And, most importantly, the food is unmatched. Absolutely the best nigiri I’ve ever had. Will be back for more and more.

Hope Thomson

Google
I love this place. Best sushi I’ve had in Aspen!