Since being founded in 1976 by Paul Hennessey, an entrepreneurial former Wall Street stock trader, Hennessey’s Tavern, Inc. has grown from a single location in Hermosa Beach, Calif. into a diversified group spread throughout Southern California and Las Vegas that today includes over 15 restaurants under four concepts.  

O’Malley’s on Main Pub and Restaurant is Seal Beach’s premiere, authentic Irish pub. From the interior woodwork of the bar, the booths, and fireplace to our private courtyard’s wishing well, stone fireplace, and mural of the Emerald Isle, the O’Malley’s experience will transport you to another time and place. Start your weekend off on the sunny side with our delicious Brunch and famous Bubbles and Bloody Mary’s! Every Saturday and Sunday from 8am until 2pm. Enjoy our great Happy Hour selection throughout the week Monday – Friday! Get $2 off all appetizers and bar drinks Mon thru Fri from 4PM to 6PM. We offer live music entertainment every Fri / Sat starting at 9:30PM, 1st&3rd Sun 4PM-7PM and 2nd&4th Sun 3PM-6PM. Come see the best local and touring bands!