A 24/7 Chelsea diner institution of 45 years known for its huge Greek/Italian/American menu and late-night, weekend college-age crowd.
368 W 23rd St, New York, NY 10011



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Tripadvisor reviewers describe Chelsea Square Restaurant as always packed while walking by during lunch service, reflecting its status as a longtime 45-year Chelsea institution with huge portion sizes and a sprawling menu.
Despite the packed appearance, the restaurant accepts reservations per its Tripadvisor listing, and at least one reviewer reported being seated immediately, suggesting turnover is fast even when the room looks full.
Patterns as reported by press and regulars — not measured by damnlines.
Reservations: Reservations accepted
Walk-ins: Yes, walk-ins accommodated
Open 24 hours, 7 days a week (per Tripadvisor)
Tripadvisor reviewers describe it as always packed during lunch, though at least one reviewer reported being seated immediately.
Yes, Tripadvisor lists Chelsea Square Restaurant as accepting reservations.
Yes, walk-ins are accommodated, with one Tripadvisor reviewer reporting immediate seating even during a busy period.
Sources: Tripadvisor