Complimentary coffee & tea
24/7 security
Business address
High-speed internet
High-speed wifi
![Map of [alt]space](https://maps.googleapis.com/maps/api/staticmap?center=42.9718040,-82.4070500&zoom=16&size=640x320&scale=2&maptype=roadmap&markers=anchor:center|icon:https%3A%2F%2Fcdn.coworkingcafe.com%3A443%2FWhiteLabelSites%2FCoworkingCafe%2Fimages%2Fstatic-map-marker-64-big.png|42.9718040,-82.4070500&key=AIzaSyBlmTta6V2-7GgIuoLIB3OKHzAfndPOsCw&channel=commercialcafeILS-standard)
[alt]space
140 Christina Street North #136, Sarnia, ON N7T 5T9
[alt]space
Available Workspaces
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Meeting Room
Contact for pricing
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Private Office
Contact for pricing
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Dedicated Desk
Business hours
Monday
from 6:00 am to 9:00 pm
Tuesday
from 6:00 am to 9:00 pm
Wednesday
from 6:00 am to 9:00 pm
Thursday
from 6:00 am to 9:00 pm
Friday
from 6:00 am to 9:00 pm
Saturday
Closed
Sunday
Closed
140 Christina Street North #136, Sarnia, ON N7T 5T9
Walk & ride
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Walk score
57/100
Somewhat Walkable -
Bike score
67/100
Bikeable
Powered by Walk Score ®
Reviews
View all 9 reviews on Google
NetSuite Consultant
Apr 16 2026
A High-Performance Hub for Focused Work If you are looking for a workspace that balances professional rigor with a relaxed, coastal atmosphere, this is it. I’ve found this location to be an exceptional "source of truth" for productivity. The Environment & Infrastructure The space is quiet, clean, and collaborative. For those with high technical demands, the internet speed is strong and reliable. There is plenty of desk space equipped with accessible outlets and comfortable, ergonomic chairs—essential for long sessions of deep work or systems architecture. Amenities & Collaboration Meeting Ready: The conference room is lovely, featuring large whiteboards and a high-definition TV for presentations. Making reservations is a seamless, digital-first process. Flexible Zones: Beyond the desks, there are multiple couches and conversation areas perfect for brainstorming or informal syncs. Support: The staff is consistently friendly and helpful, ensuring a low-friction experience from the moment you walk in. Location & Logistics Accessibility: The facility offers convenient parking and a "safe, easy-to-jump-in" atmosphere. Work-Life Balance: Its proximity to the water is a game-changer. Being able to take a midday walk by the river provides a perfect mental reset. Fuel: There are several easy food options nearby, making it easy to power through a working lunch. Top Recommendation: This is the ideal "third space" for professionals in the area. It is especially convenient for a post-activity transition—it’s the perfect place to plug in and knock out a few hours of high-level work or email after a morning of golf or boating. Verdict: 5/5 Stars. Professional, secure, and perfectly situated.
Robbie Steeves
Mar 05 2026
If you are in town for a few days and need a place to work, this is the spot for you. Great space right in the downtown core.
Parker Kidd (parkerk)
Mar 28 2025
Loving working at the Alt Space! I work remotely and it's made a huge difference having a place where I can leave the house and come in to get my work done. The space is clean, quiet and modern. I have my own spot where I can leave my monitor and cables and can come in and be productive for the day. Any time I need to take calls there's always a private spot I can book. If you're working remotely in Sarnia and feeling isolated at home, I highly recommend getting a spot at the alt space.
Carly Fisher
Nov 27 2024
Great spot to work for the morning when I was in Sarnia. Modern and clean open space.
Katie
Aug 06 2024
Needed a place to work in Sarnia for the day, and alt space was great! Spacious desks and a quiet workspace with plenty of access to plugs and fast wifi. I really appreciated their flexibility in allowing me to access the space for just a day, and everyone there was incredibly friendly and helpful.
Frequently Asked Questions
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[alt]space operates during regular business hours, as indicated above. For access outside of these hours, please contact the operator directly to inquire about any available options.
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Open desks may be the ideal choice if you thrive in a collaborative environment and value the opportunity to connect with fellow coworkers. Dedicated desks, on the other hand, provide a designated space with shared community amenities, catering to those who seek a balance between privacy and interaction.
For ultimate focus and private interactions, private offices are best for solo individuals and teams that seek uninterrupted productivity.
Selecting the most suitable workspace for you typically hinges on your work style and preferences, but it can also be determined by the type of work that you do, its duration, and whether you work alone or in a team.
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Storage in coworking spaces can be limited, with most of it reserved for members with dedicated desks and private offices. However, you can reach out to the coworking operator using the form on the right side of the page to see what options are currently available.
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To truly understand what [alt]space has to offer, we recommend scheduling a tour to get a firsthand feel of the environment and amenities. Fill out this form to let us know the date and time that works for you, and we'll be happy to show you around.
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At [alt]space, Dedicated Desks can be booked on a monthly basis.