Flex Mussels

Flex Mussels

Seafood Restaurant$$$$
Upper East Side, New York
165 Tips and reviews
  • mussels
  • donuts
  • french fries
  • good for dates
  • lively
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  • Tyler L.
    Tyler LundFebruary 11, 2016
    Flex Mussels, an import to NYC from PEI (that’s Prince Edward Island in Canada, where the good mussels are from), has some of the best mussels in the city. For dinner or Sunday brunch, get a bucket
  • Paige C.
    Paige CFebruary 11, 2015
    Did you say donuts? Offering several different filling flavors, you have the ability to choose what your donuts (4 or 8) will have inside! Very impressed by the selection and they tasted amazing!
  • Alyssa
    AlyssaJanuary 17, 2016
    Great offering of mussels and perfect fries. However very under rated brunch, the savory donuts are fantastic and every brunch entree comes with a brunch cocktail!
  • Paige C.
    Paige CFebruary 11, 2015
    We have been wanting to try Flex Mussels for months and are kicking ourselves that we waiting this long! So many varieties of mussels it was impossible to choose just 1! Order Maine and add fries!
  • Liz D.
    Liz DellMarch 22, 2015
    Good wine list/cocktails menu. Recommend sharing a few different pots to sample different flavors. The Parma is insane. Skip the apps and instead save room for truffle fries and doughnuts!
  • dawn.in.newyork
    dawn.in.newyorkNovember 17, 2015
    Mussels and Beer, comes with the fries as well, are enjoyable during the happy hour at a good price. Find a spot in the bar section.
  • Mariah B.
    Mariah BoydMarch 20, 2013
    the South Pacific is a perfect way to get the Thai flavor and still have a white wine base. Lobster roll, truffle fries and donuts are a must. Choco and meyer lemon donuts are tops.
  • Tom D.
    I've tried multiple mussel sauces, they are ALL so good, you will need to return several times and try them all. Don't forget to leave room for the donuts, they are a MUST.
  • Paige C.
    Paige CMay 26
    I have a new favorite: the parma! Crispy shallots and a delicious cream sauce. The best is dipping the bread in it afterwards.
  • Jessica P.
    Jessica PetersDecember 5, 2012
    Been here 5+ times
    Bombay is one of the best mussel dishes I've had at a seafood restaurant. If you're looking to try something new, I highly recommend. Salted caramel donuts are also a must.
  • The Corcoran Group
    The Corcoran GroupFebruary 22, 2011
    If you love mussels, this is your place, especially when it’s $20 for all you can eat mussels during happy hour. We like the Fra Diavolo or The Mexican.
  • NearSay NYC
    NearSay NYCJuly 28, 2011
    A seafood lovers heaven, Flex makes the N-Siders list for the most amazing mussels in NYC! We suggest trying Thai, Bombay, Provencal & South Pacific pot! Save room for the salted caramel doughnut!
  • Josh A.
    Josh ArcusJanuary 1, 2013
    Was apprehensive because mussels are a lot of work & not always big portions. Absolutely not the case. Great, numerous flavor selections. Very filling. Truffle fries, donuts, kale salad, and mussels.
  • Brittany G.
    Brittany GoldmanJanuary 10, 2016
    Everything starting with the drinks are absolutely amazing! The Thai mussels have so much flavor and are absolutely incredible
  • dean c.
    dean cJuly 12, 2013
    The Parma mussels are so incredibly good. Who ever said cheese and seafood don't mix? Heavy. Will not be able to have desert. The Italiano are great as well. Service is spot on.
  • J.T. T.
    J.T. TrollmanMarch 25, 2013
    Not only are the mussels amazing, but the desserts are to die for.
  • Joo R.
    Joo RoMay 25, 2013
    Go mussels. And don't forget to get flex donuts for dessert. Salted caramel donut is to die for. You're welcome.
  • Russell H.
    Russell HirschornMarch 14, 2016
    Nice dining room, clamstrips were 99% breading, thai and dijon mussels were great, overall pretty expensive. B. Cafe laksa mussels are better, less expensive and come with fries.
  • Joe W.
    Joe WrightFebruary 2, 2011
    The Thai mussels are fantastic as is their often changing beer list. The calamari appetizer is huge for two and to top it all off they apparently have a secret menu item of booze filled doughnuts.
  • Arnab M.
    Arnab MukherjeeJanuary 13, 2013
    The Bombay mussels are fantastic!!!! The doughnuts are a popular dessert. OpenTable messes up reservations so make sure you call and confirm a day in advance.
  • Matt S.
    Matt SpectorFebruary 15, 2015
    Nothing more nourishing than a giant pot of mussels. Avoid the complex offerings and spring for the classic white wine mussel meal. Great doughnut dessert course too.
  • Michelle F.
    Michelle FastenbergSeptember 9, 2012
    Been here 10+ times
    Probably top 5 fave restaurants for me! Mussels 25 different ways. Definitely need to be a seafood lover, which I am! Great wine too:)
  • Ting T.
    Ting TsaiJanuary 2, 2016
    The Mexican mussels has just the perfect level of spiciness to leave your mouth with a tingle. Don't miss the beignets also.
  • Sophie P.
    Sophie ParksApril 4, 2015
    Mussels & truffle fries. Experiment with the pots that have a cream based sauce... Might sound weird, but they're amazing to the last bite!
  • Kiwi W.
    Kiwi WangOctober 4, 2016
    Such a good neighborhood staple. Consistent and delicious. Surprisingly awesome brunch!! Get the stuffer bagel donuts- crazy crazy good
  • Ted S.
    Ted ScofieldJune 5, 2010
    Been here 5+ times
    Flex Mussels is one of the best restaurants in New York, much less on the UES. From the Éphémère beer to the many varieties of mussels to the incredible lobster roll, Flex Mussels never disappoints ( Read more
  • Matt N.
    Matt NJuly 22, 2013
    Lobster bisque mussels were out of this world. Drank the broth like a soup at the end!!!
  • Jessie C.
    Jessie CatanaApril 3, 2013
    Been here 5+ times
    Happy hour special sounds awesome (!) but it ends so early (6:30pm). Really enjoyed the Parm mussels- highly recommend them!
  • Kristi
    KristiFebruary 23, 2013
    Amazing restaurant! The Bisque, Maine, and Fra Diavolo are all very very good! Salted caramel doughnuts for dessert are a must!
  • Rachel W.
    Rachel Wang PangNovember 10, 2015
    What can I say, big bucket of mussels, they got different options of how u would like it cooked, overall a nice place in NYC
  • Jill F.
    Jill FutterMarch 12, 2010
    Been here 5+ times
    Reserve a table. Arrive early, grab the tasty Canadian brew on tap or the fruity sauv blanc. Chat up friendly staff. Order Old Bay fries with any of the 23 mussel recipes. Down the broth wholesale.
  • Mary C.
    Mary CrippenJune 20, 2013
    The truffle fries are amazing! As is pretty much anything you could order on the menu. Also, delirium tremens on tap.
  • Justin G.
    Justin GuminaAugust 19, 2013
    Amazing service! The "fungi" mussels have bacon and mushrooms! Don't forget a salted caramel donut for desert!
  • New York Habitat
    New York HabitatDecember 9, 2011
    When at a restaurant with mussels in the name, it should be obvious what to order. The real prize however are the truffle fries.
  • Santia P.
    Santia PellicciaSeptember 20, 2013
    Yummy... Go with the Thai mussels.. You won't be disappointed! They even packed the broth up for me to bring home.
  • Ashley H.
    Ashley HardeeFebruary 15, 2014
    Thai mussels are amazing if you like curry coconut flavors. Best mussels I've ever had!
  • Yanique
    YaniqueAugust 28, 2014
    The seafood is orgasmic,enough said! Make your reservations early though to ensure you get a decent seat.
  • Kevin G.
    Kevin GrantApril 10
    The doughnuts were an amazing surprise. Imagine cream cheese filled doughnuts with bagel toppings. YUM
  • Jacqueline X.
    Jacqueline XuFebruary 11, 2013
    Awesome French onion mussels and lobster Mac and cheese. Truffle fries is ok though. Great staff.
  • Magdolen K.
    Magdolen KellelJanuary 19, 2013
    Been here 5+ times
    Get the Parma mussels!! And don't forget to have the salted caramel donuts for dessert!!
  • Jennie D.
    Jennie D.November 13, 2013
    I used to not like mussels until I came here - Flex has made me a convert! The Parma and Thai mussels are unreal.
  • Karsten M.
    Karsten McVayJuly 22, 2015
    Been here 5+ times
    When you can't finish a pot of mussels, order the lobster roll. It's good.
  • Janice K.
    don't forget about their brunch!! the messiest sandwich ever was exactly how it sounds and delicious
  • The New Yorker
    The New YorkerSeptember 30, 2010
    “The name, though reminiscent of a Tarzan boast, is apt: Flex Mussels forgoes European and American tradition and puts the mussel on steroids.” Read more
  • Jackie C.
    Jackie CollensOctober 6, 2013
    Incredible! Only problem is the chairs. You slide right out!
  • Serious Eats
    Serious EatsAugust 10, 2013
    A mussel-centric menu that has some great desserts as well.
  • Emma
    EmmaJanuary 11, 2016
    Mussels were too cooked but the sauce was excellent (I had the classic one), fries are crunchy and tasty.
  • Brian E.
    Brian EricksonJanuary 3, 2015
    Really enjoyed the curry broth it was so good. Satisfies my craving for Indian food while my wife can have italian.
  • jenn l.
    jenn laroccoMay 8, 2010
    From the fresh french fries to the pots of mussels (try the bisque or the fungi) this place is amazing! And you cannot leave with out trying the donuts
  • Val W.
    Val WollochJune 7, 2012
    Been here 5+ times
    Go in through the back door on East 50th Street instead of through the front on Rockerfeller Plaza on busy days.
  • Aneesh S.
    Aneesh SehmbiJanuary 30, 2011
    Ask for the boozy donuts. They're not on the menu, but they're an alcoholic donut. Tonight's special is a White russian!
  • Barrett L.
    Barrett LaneMay 29, 2011
    The Maine mussels are a must; steamed mussels in a creamy broth with parsley, bacon, and lobster. Fries are ok.
  • Beeka A.
    Beeka AlgMarch 19, 2016
    I like Thai mussels it was very delicious
  • Matthew K.
    Matthew KutnickDecember 30, 2011
    Bisque and Parma are favorites. Be sure to try the Old Bay Fries and Doughnuts also.
  • Amy R.
    Amy RobertsonFebruary 5, 2015
    Been here 5+ times
    Obviously the mussels are phenomenal; the donuts are a surprising delight
  • Kim M.
    Kim MullingsJuly 31, 2013
    Lobster Bisque mussels were amazing and the burnt fingers app. was great too!
  • Maddie
    MaddieMay 27, 2013
    Been here 5+ times
    I want to try everything. Thai = check. Maine and The Southern tonight
  • Lauren G.
    Lauren GilchristJuly 11, 2012
    Same deal as downtown. Mobbed on Thursday night. Saturday afternoon is better, try for one of the three outdoor tables.
  • Megan H.
    Megan HessFebruary 5, 2012
    The warm salted caramel doughnut is to die for. Came highly recommended by our waiter, too.
  • Matthew C.
    Matthew CoolOctober 26, 2011
    Had the San Daniele mussels with a Lobster Ale draft beer from Maine - both great
  • Dane A.
    Dane AskaFebruary 7, 2015
    Been here 5+ times
    Best mussels and oysters on ues!!! Happy hour is 👍👍👍
  • Lindsay B.
    Lindsay BrookeJanuary 12, 2015
    PLEASE go and please get the Parma mussels.
  • Mona F.
    Mona FetouhJuly 3, 2013
    The salted caramel donuts are amazing. Great, very fresh mussels too.
  • Nikki P.
    Nikki PamaniJuly 26, 2011
    Seafood lovers heaven! Giant pot of mussels and more than 20 sauces to choose from. TASTY! Read more
  • Parissa B.
    Parissa BehniaMay 6, 2014
    Thai curry mussels are great! So are the truffle fries!
  • Christa H.
    Christa HoeglerFebruary 3, 2014
    Been here 5+ times
    Parma mussels are all they're hyped up to be. Save the bread to dunk into the sauce!
  • Jeanne S.
    You can't go wrong with any dish! Octopus appetizer was delish!
  • Geraldine🍓 R.
    Geraldine🍓 RochaMarch 25, 2012
    We had the Classic and the Parma, they were good but the mussel pot is still my fav
  • Lance L.
    Lance LacoffFebruary 10, 2013
    Came for the mussels, and they were great, but the salted caramel doughnut changed my life.
  • Kristen P.
    Kristen PeiranoDecember 21, 2014
    Inconsistent.... A ton of shells in my meal and the sauce not nearly as good as my precious visits. Also they pour the smallest glasses of wine
  • Thomas C.
    Thomas CohnJune 24, 2016
    Try different mussel dishes each time; all are excellent!
  • Eric L.
    Eric LJune 15, 2012
    Get an off menu alcoholic doughnut, the s'mores one, and the salted caramel one.
  • Nasira J.
    Nasira Ju-manAugust 3, 2015
    Amazing mussel flavors and their doughnuts are so fluffy!
  • Jake L.
    Jake LangbeckerJanuary 18, 2015
    Come for the mussels, stay for the donuts
  • Audrey T.
    Audrey TolbertJune 26, 2013
    Just yes. To everything. So so so good and we had great service!
  • Karsten M.
    Karsten McVaySeptember 2, 2014
    Been here 5+ times
    You gotta order the donuts (salted caramel or bust)
  • Nina L.
    Nina LoSchiavoJune 24, 2015
    The parm mussels are insanely good. Don't skip dessert.
  • Karen A.
    Karen Au YeungApril 19, 2015
    Don't forget to order the donuts at the end of the meal!
  • Lina L.
    Lina LanovoiAugust 18, 2015
    Been here 5+ times
    The salted caramel donuts are amAzing
  • Abdullah B.
    Abdullah Bin DhaherAugust 8, 2014
    Great food , try the mussels , lobster role, calamari
  • Giovanni M.
    Giovanni MelendezNovember 13, 2015
    The parm mussels are awesome and so are the donuts
  • Nitzan B.
    Nitzan BMarch 8
    So good. Had a great time. Leave room for their donuts!
  • Emilie F.
    Emilie FMarch 25, 2014
    Good but Classic mussels/Truffle fries too pricey:for 50% you'll have the same not so far elsewhere.Chocolate donut was amazing.Caramel too salty.Service was yet impeccable.
  • Ryan G.
    Ryan GallagherSeptember 20, 2016
    Been here 5+ times
    Always great. The Thai mussels are legit.
  • Rob M.
    Rob MApril 21, 2013
    No joke mussels! Had the southern mussels, huge portion, no bad ones, high quality food, and bar service.
  • ron d.
    ron duqueAugust 29, 2014
    Salted Caramel is the best donut here, hands down.
  • carolyn g.
    carolyn giererAugust 26, 2012
    Been here 5+ times
    Oysters, truffle fries, Marseilles and Maine mussels are sinful. Yeah, sinful.
  • Howard S.
    Howard ShihJune 17, 2016
    Mussels & Beer for happy hour is a great deal!
  • Emily V.
    Emily VerellenMarch 21, 2010
    Been here 5+ times
    Amazing wait staff. Try the Oysters as an appetizer. Sitting at the bar is great, especially since tables are often full.
  • Taylor G.
    Taylor GerardApril 11, 2015
    Best mussels in the city - mussel equivalent to mermaid inn
  • Sarah O.
    Sarah O'ConnellNovember 26, 2016
    Just amazing. Try mussels with a curry base!
  • Allyne M.
    Allyne MillsApril 30, 2011
    Been here 10+ times
    Just has the San Danielle and it was rich, overflowing with flavor -- almost decadent. Dee-lixious!
  • Amna B.
    Amna Bin DhaherJanuary 2, 2015
    What's good here? Thai, Mexican, and Parma mussels.
  • Caroline S.
    The Dijon mussels were our table's favorite.
  • Meli
    MeliJuly 16, 2014
    Overrated much? Nothing spectacular in terms of taste. Had the maine, fungi, little neck, and cleopatra mussels and all were rather mediocre, esp for a place that specializes in mussels! disappointed.
  • Richard L.
    Richard LueDecember 26, 2016
    The donut dessert is to die for
  • Ediz
    EdizSeptember 9, 2016
    Mussels are delicious.
  • Marine
    MarineFebruary 5, 2016
    Great choice of mussels
  • Lauren R.
    Lauren RomaoMarch 5, 2016
    Unbelievable. Get the Parma no questions
  • Corinne B.
    Corinne BartSeptember 9, 2010
    All you can eat mussels at the bar or counter for $20 from 5:30 to 7!
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