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Seafood · New York City · Upper East Side

Flex Mussels

Google 4.5 (1155) Yelp 4.2 (1000) Uber Eats 4.5 (94) $$ 77.72 FoodIndex

Quick-service seafood counter with fried fish and shrimp. Read more

Flex Mussels
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About

Flex Mussels, found at 1431 3rd Ave in Upper East Side, is quick-service seafood counter with fried fish and shrimp, and a local institution for authentic fried seafood lovers throughout Manhattan. From its home in Upper East Side, Manhattan, Flex Mussels has built a loyal following among fans who rate it among the best seafood in New York. For anyone craving great seafood in Upper East Side, Flex Mussels delivers with popular picks like Filet O'flex, Classic, Parma, and Char Grilled Burger. Check its live ratings on Google, Yelp, and Uber Eats alongside the FoodIndex score and browse the full menu below.

Known for: Quick-service seafood counter with fried fish and shrimp.

Flex Mussels Reviews

Curious how diners rate Flex Mussels? This page pulls public review signals from Google, Yelp, and Uber Eats so you can compare platforms in one place. Scores below reflect diner feedback for this seafood spot in Upper East Side, New York City.

On Google 4.5 from 1100+ reviews, Yelp 4.2 from 1000+ reviews, and Uber Eats 4.5 from 90+ reviews. FoodIndex combines those multi-platform signals into a single FoodIndex Score of 77.72 for Flex Mussels. The score rewards consistent quality across platforms, not paid placement.

Flex Mussels Menu

Filet O'flex

Filet O'flex

$26.00

Classic

Classic

$28.50

Parma

Parma

$32.50

Char Grilled Burger

Char Grilled Burger

$28.00

Bibb Salad

Bibb Salad

$21.00

Fra Diavolo

Fra Diavolo

$29.50

Thai

Thai

$32.50

Lobster Roll

Lobster Roll

$42.00

Mac & Cheese

Mac & Cheese

$16.00

Fish Tacos

Fish Tacos

$18.00

Amenities & attributes

  • Onsite services available
  • High chairs available
  • Secure your spot
  • Wheelchair accessible restroom
  • Wheelchair accessible seating
  • Wheelchair accessible parking lot
  • Outdoor seating
  • Delivery
  • Onsite services
  • Takeout
  • Dine-in
  • Fast service
  • Great cocktails
  • Great dessert
  • Lunch
  • Dinner
  • Solo dining
  • Alcohol
  • Beer
  • Cocktails
  • Coffee
  • Comfort food
  • Hard liquor
  • Healthy options
  • Small plates
  • Wine
  • Breakfast
  • Brunch
  • Dessert
  • Seating
  • Table service
  • Bar onsite
  • Restroom
  • Casual
  • Cozy
  • Lively
  • Romantic
  • Trendy
  • Groups
  • Tourists
  • Brunch reservations recommended
  • Lunch reservations recommended
  • Dinner reservations recommended
  • Accepts reservations
  • Usually a wait
  • Credit cards
  • Debit cards
  • NFC mobile payments
  • High chairs
  • Paid street parking
  • Usually difficult to find a space
  • Dogs allowed outside

Location & hours

1431 3rd Ave, Upper East Side, New York

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FAQs

What is Flex Mussels's FoodIndex Score?
Flex Mussels currently scores 77.72 on FoodIndex, based on Google, Yelp, and Uber Eats rating signals.
Where is Flex Mussels?
Flex Mussels is at 1431 3rd Ave, Upper East Side, New York.
Does Flex Mussels have a menu on FoodIndex?
Yes. See the Flex Mussels Menu section on this page for dishes, prices, and photos when available.
Where do Flex Mussels reviews come from?
FoodIndex shows Google, Yelp, and Uber Eats rating signals for Flex Mussels when data is available, then combines them into the FoodIndex Score. See the Reviews section on this page for platform ratings and review volume.