# Vibrant NYC Seafood Restaurants Flex Mussels Features a 'Lobster Supper' and Picnic Fare By Debra John | Published 2025-08-07 | Lifestyle Source: Trend Hunter, https://www.trendhunter.com/trends/flex-mussels References: [flexmussels](https://flexmussels.com/) & [instagram](https://www.instagram.com/flexmussels)  Situated on Manhattan’s Upper East Side, [Flex Mussels](https://www.trendhunter.com/trends/wellness-payments) is a contemporary seafood restaurant celebrated for its expertly prepared mussels, lobster rolls, fresh oysters, and house-made donuts. The restaurant brings a refined coastal sensibility to New York City dining, blending relaxed atmosphere with thoughtfully sourced ingredients. Among its seasonal offerings is the 'Lobster Supper,' available exclusively on Mondays for a fixed price of $75. This prix fixe menu includes a choice of starter, "1 lb of mussels with drawn butter, fried calamari, or a bibb salad—followed by a 1.5 lb steamed lobster served with Old Bay butter, corn, and potatoes." The meal concludes with two house-made blueberry donuts. Flex Mussels also hosts a [daily oyster happy hour](https://www.trendhunter.com/trends/macs-raw-bar) from 4:00 to 6:00 PM, offering oysters at $2 each. For more casual occasions, the restaurant has introduced [Uber Eats](https://www.trendhunter.com/trends/ikoyi-1) 'Picnic Combos' featuring lobster rolls, crab guacamole, and smoked fish dip, thoughtfully packaged for convenient al fresco dining. Image Credit: Lesley Unruh Photography / Andrew Sokolow ## Trend Insights (Trend Hunter) - Score: 4.7/10 - Popularity: 65% | Activity: 29% | Freshness: 47% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: North America ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Lifestyle](https://www.trendhunter.com/lifestyle) > [Food](https://www.trendhunter.com/food) ## Related on Trend Hunter - [Lobster Meat Pizzas](https://www.trendhunter.com/trends/isola-pizza.md) - [Lobster-Focused Summer Menus](https://www.trendhunter.com/trends/seasonal-seafood-offerings.md) - [Indulgent Seafood Events](https://www.trendhunter.com/trends/lobsterfest-2026.md) - [Seasonal Seafood-Topped Pizzas](https://www.trendhunter.com/trends/lobster-roll-pizza.md) - [Summertime Lobster Menus](https://www.trendhunter.com/trends/summer-festival-menu.md) - [Seasonal Lobster Roll Specials](https://www.trendhunter.com/trends/maine-style-lobster-roll.md) - [Seasonal Lobster Poke Bowls](https://www.trendhunter.com/trends/luxe-lobster-bowl.md) - [16-Course Sushi Experiences](https://www.trendhunter.com/trends/sushi-masu.md) - [Value-Priced Lunchtime Seafood Menus](https://www.trendhunter.com/trends/weekday-lunch-menu.md)