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Zak's Diner

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16 By Ward Market Sq, Ottawa, Ontario K1N 7A1, Canada
+1 613-241-2401
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  • Excellent24%
  • Very good40%
  • Average22%
  • Poor8%
  • Terrible4%
Travellers talk about
“burger” (62 reviews)
“onion rings” (17 reviews)
Open Now
All hours
American, Diner, Canadian
$$ - $$$
16 By Ward Market Sq, Ottawa, Ontario K1N 7A1, Canada
Neighbourhood: Byward Market Area
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Reviews (619)
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1 - 10 of 619 reviews

Reviewed yesterday

Lunchtime on Mother's Day possibly wasn't the best time to decide to try Zak's Diner, but we got seated after about 10 minutes, albeit in the smallest booth I've ever had the misfortune to sit in (made worse by my wet clothes and dripping umbrella...More

Thank rachiikins
Reviewed yesterday via mobile

To begin with the shakes are huge, they bring enough to fill you glass twice, so be ready!! The food portions were huge, it was all very good. We had a mix of salads, burgers, poutine and hot dogs at our table and everyone really...More

Thank Okotok-family
Reviewed 1 week ago via mobile

You come here for the choices, the feel of a diner. Huge burgers, with startling combinations. Onion rings tremendous. Give it a shot

Thank malscum
Reviewed 2 weeks ago via mobile

Was a nice time to be there for lunch. They don't take reservations from Friday to Sunday. So we decided to arrive for noon and only waited 20 mins. The server was a bit distracted and we had to flag down for service, but the...More

Thank Marie-Ève P
Reviewed 2 weeks ago

Wonderful. Loved the atmosphere, price and food at Zaks. I was in town for a conference and everyone was raving about it. There was so much food. Classic.

Thank Sassbrydon
Reviewed 3 weeks ago

This classic diner in the Byward Market is open 24 hours a day. Service was friendly and prompt. Hubby ordered Zac’s big breakfast: two eggs any style, crisp bacon, sourdough toast, and crisp potatoes (beans are included if wanted). Perfectly prepared sunny-side up eggs were...More

Thank Pam C
Reviewed 3 weeks ago via mobile

Great little place with great nostalgia. Next time we have to have their milkshake which might push it to a 5.

Thank George G
Reviewed 3 weeks ago

Came in a little before 3PM, and there were only a few people inside so I was immediately seated. Ordered their breakfast plate that was huge and tasty and a hot chocolate that was creamy and just the right amount of sweetness. Service was fast...More

Thank kalinka2002
Reviewed 4 weeks ago via mobile

We went for breakfast on a Saturday morning, had to wait just a few minutes, as this is a busy spot. Breakfast was delivered quickly, hot and big. Lots to eat, coffee was good and topped up often. Even though it was busy, we did...More

Thank Will H
Reviewed 4 weeks ago via mobile

My boyfriend and I visited Ottawa this past Thursday-Sunday. We ate at great restaurants but one of the top ones for us was definitely Zak's diner. We had really good brunch there. I had the classic breakfast, the home fries were really tasty and as...More

Thank ACKgirl101
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Questions & AnswersAsk a question
Going to dinner w/ friends before a performance at the National Art Centre (7:30 Curtain)and want to get in and eat. Does Zak's take reservations???
20 May 2017|
Answer Show all 2 answers
Response from Marie-Ève P | Reviewed this property |
Hi! last time I phoned to inquire was the week before Mother's day and I was told they do, but not on Friday, Saturdays and Sundays. I've did the same thing years ago before seeing Madame Butterfly at the NAC :) have a... More
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Restaurant Details

Rating summary
  • Food
  • Value
American, Diner, Canadian
Brunch, Breakfast, Lunch, Dinner, After-hours
Restaurant features
Takeout, Seating, Waitstaff, Highchairs Available, Serves Alcohol, Free Wifi
Good for
Child-friendly, Kids, Groups
Open Hours
00:00 - 23:59
00:00 - 23:59
00:00 - 23:59
00:00 - 23:59
00:00 - 23:59
00:00 - 23:59
00:00 - 23:59
Location and Contact Information
  • Address: 16 By Ward Market Sq, Ottawa, Ontario K1N 7A1, Canada
  • Location: Canada  >  Ontario  >  Ottawa>  > Byward Market Area
  • Neighbourhood: Byward Market Area
  • Phone Number: +1 613-241-2401
  • E-mail