Mama Sue's Diner Inc.

Mama Sue's Diner Inc. Family owned and operated. Good food and good times! Come on in and join the family! Delivery/take out available

🎉 we now accept CREDIT CARDS and INTERNATIONAL DEBIT 🎉What a great addition for that breakfast meeting or travel option!...
03/05/2026

🎉 we now accept CREDIT CARDS and INTERNATIONAL DEBIT 🎉

What a great addition for that breakfast meeting or travel option! 🤩

We have a secluded dining room option for staff meetings as well (reservations available).

Again, thank you to our valued customers/family for the support! We appreciate you all! ❤️

12/21/2025

🚨 POWER IS BACK ON! 🚨

The power has finally come back on in the area!
We are able to get back to cooking 🥳🥓 🥚
See you soon 🥰

🎁🎄 HOLIDAY HOURS 🎄 🎁CLOSED: Christmas Day (Dec. 25) Boxing Day (Dec. 26) New Years Day...
12/17/2025

🎁🎄 HOLIDAY HOURS 🎄 🎁

CLOSED: Christmas Day (Dec. 25)
Boxing Day (Dec. 26)
New Years Day (Jan. 1st)
OPEN 7am-1pm Wed-Sun ❤️
CLOSED Monday & Tuesday as per usual hours.

Wishing you all a safe and blessed holiday season!
Squeeze your loved ones extra (thats what holidays are for 🥰)
Blessed for the year we’ve had and looking forward to the years to come ❤️

11/16/2025

Thank you all for the wishes but without my loyal and dear clientele I wouldn't of make it thank you so much for your patronage from the bottom of my heart

Happy 16th Anniversary of business ❤️Thank you so much to our loyal customers! We wouldn’t be here without you 🥰🥳
11/16/2025

Happy 16th Anniversary of business ❤️
Thank you so much to our loyal customers!
We wouldn’t be here without you 🥰🥳

10/09/2025

‼️ Boundary closed @ CN tracks ‼️
We are OPEN as usual through this road closure.
Access available via Marleau or Boundary 😊
Happy Thursday!

07/25/2025

Our new AC unit is in and is working great! 🥳
Thank you Houde Mechanical Heating & Cooling for the great work! 🥶
Let the 🥓 and 🥚 roll 💪 ❤️

07/24/2025

🥙 July 24th Special 🥙

-coffee or tea ☕️
-Cabbage Roll Soup 🍲
-Mushroom Swiss Chicken Burger Platter 🍔
-Dessert 🍰

$15.95 +Tax ❤️

BREAKFAST/LUNCH AVAILABLE 7am-12:30pm

07/18/2025

🐟 FRIDAY SPECIAL: FISH&CHIPS 🐟

➡️ Coffee or Tea
➡️ Homemade Pea Soup
➡️ Beer Battered Fish & Chips (homemade tartar sauce, homemade coleslaw, lemon slice)
➡️ Dessert

$15.95 + Tax 😋

🏝️ HAPPY FRIDAY! 🏝️

07/17/2025

July 17th, 2025
‼️we will be closing early today due to heat ‼️
Our AC is still waiting to be changed and our staff is already trying to wear their bikinis 🤣🥵Stay cool everyone! 🏖️

07/14/2025

Huge thank you to our customers for supporting us while we wait for our AC to be replaced. 🥵 It’s been hot in the restaurant and you still remained cheerful and understanding 🥰
Huge thank you to the staff as well for hanging in there. You’re amazing❤️
Hopefully our replacement will be here soon 🤞

Address

850 Boundary Road, Unit 1
Cornwall, ON
K6H7P6

Opening Hours

Wednesday 7am - 12:40pm
Thursday 7am - 12:40pm
Friday 7am - 12:40pm
Saturday 7am - 12:40pm
Sunday 7am - 12:40pm

Telephone

+16139339055

Website

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