Seaport - Boston, MA

MJ O’Connor’s offers a lively bar and dining room, with a selection of local and international draft beers, wines by the glass, and delicious cocktails created by neighboring City Bar. Enjoy fresh seafood dishes, lobster rolls, oysters, Irish favorites, and our award winning New England Clam Chowder. Relax with a fresh-drawn pint at our inviting Seaport District location at the Westin Waterfront, just steps from the Convention Center. At MJ’s, we deliver comforting Irish hospitality and style, all in an inviting setting.

Westin Waterfront

Open Daily
11:30am - 2am

New England Fare, Irish Hospitality

We serve comfort food favorites – with a twist. Our menu is designed to accommodate all palates, and we’re available to help you host events of up to 250 guests.

Plan Your Event



We’re located at The Westin Waterfront Hotel
425 Summer Street
Boston, MA 02110

Distance to Boston Convention & Exhibition Center 0.1 miles
Distance to Hynes Convention Center 4 miles
Distance to Blue Hills Bank Pavilion 0.6 miles


Open Daily

11:30 a.m. – 2 a.m.


Sun - Thurs 11:30 - 12 a.m.
Fri - Sat 11:30 a.m. - 1 a.m.

Link to map

Gift Card

Purchase M.J. O’Connor’s Gift Cards, check your gift card balance, and send your favorite menu items to your friends.

Purchase Now
MJ O'Connor's Seaport Logo

We’re located at The Westin Waterfront Hotel

425 Summer Street
Boston, MA 02110

MJ O'Connor's
Park Plaza


Private Events
Now reserving for the Holiday season! Get started now to reserve the best dates

Learn More

Late Night
We're serving up late night food until 12am & 1am on Friday & Saturday