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.

Reserve a Table
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 02210

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 am – 2 am

Sun - Thurs 11:30 am - 12 am
Fri - Sat 11:30 am - 1 am 



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.

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Upcoming Events

Reserve Your Holiday Party
There are dates still available for your holiday gathering!
Learn more & reserve your date

We're open for Thanksgiving 
We'll be open for Thanksgiving from 11:30am - 8pm (bar 'til 10pm).
Make your reservation & enjoy these specials in addition to our all day menu.

Upcoming Events