# Zak's Diner > Zak's Diner is Ottawa's classic all-day-breakfast diner, family-owned and serving the city since 1986. Five locations across Ottawa and the Ottawa Valley, known for all-day breakfast, burgers, poutine and world-famous milkshakes. 2026 is our 40th year. Zak's Diner is a family-run Canadian diner group in Ottawa, Ontario. Breakfast is served all day, every day, at every location. Ingredients are Canadian-sourced: Canadian potatoes, 100% pure Canadian maple syrup, Canadian eggs, St-Albert cheese curds and French's condiments. Vegetarian options are available at every location. All locations are family-friendly, take walk-ins, and can book larger groups in advance. ## Locations and hours - ByWard Market: 14 ByWard Market Square, Ottawa, ON. Sunday to Wednesday 7am-10pm, Thursday 7am-12am, Friday and Saturday open 24 hours. 613-241-2401. - Elgin Street: 220 Elgin Street, Ottawa, ON. Sunday to Thursday 7am-11pm, Friday and Saturday 7am-12am. 613-421-0038. - Kanata: 499 Terry Fox Drive, Kanata, ON. Sunday to Thursday 7am-9pm, Friday and Saturday 7am-10pm. 613-435-5483. - Carleton Place: 515 McNeely Avenue, Carleton Place, ON. Monday to Wednesday 8am-9pm, Thursday to Saturday 8am-11pm, Sunday 8am-9pm. 613-492-0200. - Ottawa International Airport (YOW): post-security near Gate 24. Daily 4:30am-8pm. Limited menu, full milkshake selection. ## What Zak's is known for - All-day breakfast: eggs, pancakes, omelettes and benedicts, served from open to close - Burgers, poutine and comfort classics - Milkshakes, made thick and served with a striped straw and a cherry - Retro diner rooms: teal booths, jukeboxes, cassette walls and vintage cars - Late-night and 24-hour weekend service in the ByWard Market - Open on Canada Day ## Common questions - Is breakfast served all day? Yes, at all five locations, from open to close. - Are there vegetarian options? Yes, at every location. - Is there a late-night option? Yes. ByWard Market is open until midnight Thursday and 24 hours Friday and Saturday. Elgin Street is open until midnight Friday and Saturday. - Do you take reservations? Walk-ins are welcome. Group bookings can be arranged in advance. - Do you offer takeout or delivery? Yes. - Where do your ingredients come from? Canadian suppliers, including Canadian potatoes, eggs, maple syrup and St-Albert cheese curds. - Is Zak's family-friendly? Yes. All locations welcome families and children. Contact: info@zaksdiner.com Instagram: @zaksdiner Website: https://zaksdiner.com