Serving up jumbo pie slices until 2 a.m. seven nights a week, Bill's has been a go-to late night spot for Old Port revelers for years.

This casual counter-service eatery stays open till 2 a.m. Friday and Saturday nights. The tater tot poutine with bacon, sausage, and pork belly will soak up even the wildest night on the town. There are also numerous hot dogs and a fine selection of rotating sandwiches.

The Thai kitchen and bar serves a late night "tapas and skewer" menu 7 days a week until 12:45 a.m. On Wednesdays, restaurant industry workers get 20% off the late night menu (including drinks). On Sundays, there are late night discounts for everyone.

This small sushi restaurant on Congress St. serves its menu of sushi rolls and yakitori until 2 a.m. Thursday through Saturday.

This literary-themed bar on Longfellow Square has you covered from 10 p.m. until 1 a.m. with a special menu of late night pizzas, burgers, and bar snacks.

The original Otto in the Arts District slings slices until 2 a.m. Friday and Saturday nights. A slice to go makes a walk or cab ride home much more bearable.

Masa Miyake's casual yet upscale noodle bar takes food orders until 11:45 p.m. Thursday to Sunday, with a late-night happy hour from 10 p.m. until 12 a.m.

A rare off-peninsula late night option, Samuel's serves a full menu until 1 a.m. seven nights a week, with half-priced pizzas every night from 11 p.m. until close.

The kitchen at this wine-focused spot stays open until midnight Friday and Saturday. The crowd is less rowdy than many other late night options, so you can relax with your flatbread sandwich or cheese and meat plate.

Food is served until 1 a.m. seven nights a week, with plenty of pickled goods, cured meats, and hearty items like pretzels or brown bread with mushroom butter.

The spirit of Sangillo's, Portland's favorite dive bar, lives on in Tomaso's Canteen, serving Jell-o shots until 1 a.m. seven nights a week. Its menu of inexpensive pub food will ensure that you live to see another day.