Happy Hour
Flex Mussels Upper East Side
Oysters
The happy hour
Every day
4:00 PM - 6:00 PM (Mon–Fri 5:30–7 PM Sat–Sun)
We couldn't confirm the exact hours from the venue's wording — check with the venue before you go.
Drinks
- Select cocktails — discounted during happy hour
- Wines by the glass — discounted during happy hour
Food
- Oysters — $1.50–$2 each
- 2 pots mussels + 2 orders fries — $25 (Mon–Fri 5:30–7 PM, Sat–Sun 5–7 PM)
Bar and counter seating only for happy hour. Also late-night happy hour Sun–Thu 9–10 PM; Fri–Sat 9–10:30 PM.
Deal last verified June 2026 (QA). Confirmed on the venue’s own website.
The vibe
Direct importer of PEI mussels and fresh oysters, served in a lively upscale setting. The mussel-and-frites happy hour deal is a cult favorite on the UES. Bar and counter seating only for happy hour. Also late-night happy hour Sun–Thu 9–10 PM; Fri–Sat 9–10:30 PM.
Getting there
1431 3rd Avenue, New York, NY 10028 · 212-717-7772