This tiny place on the Upper East Side is great. The colorful seats and dim lighting make for a very funky yet elegant backdrop to sushi eating and sake drinking. The rolls are very inventive--like a roll we love that incorporates fresh mango slices! They have lots of sakes to choose from, and each sake comes in its own special carafe with matching glasses, depending on what you order. If you are a regular and get to know the friendly and knowledgeable staff, they just may offer you a taste of something not on the menu! We have tried many interesting sakes in this way that have made their way back from Japan and which are not available in the US.
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Speaking of which, twice each year they hold a $55 sake tasting, with usually around 15 different types of sake. Many of these, again, are brought in specifically for the event and not available in the US. At the sake tasting events, sushi (and sake desserts!) are abundant and you get to meet the brew masters of the various brands.
265 East 78th Street (@ 2nd Ave)