Flexible workplace solutions
Waterside Center
Waterside Center, located at 3200 Guasti Road in the City of Ontario, offers prime offices and coworking spaces. Benefit from nearby amenities like Bank of America and Ontario Mills for banking and retail needs, enhancing productivity and business convenience. Ideal for fostering professional connections and client engagements.
Get a quote
Receive personalized pricing and workspace solutions aligned perfectly to your business requirements.
Book a centre tour
Schedule a guided visit and experience our workspace facilities firsthand.
Book a meeting room
Reserve fully equipped meeting rooms ideal for presentations, client meetings, or team collaborations.
Book a day office
Secure a private office by the day—ideal for productive, focused work.
Book a cowork day pass
Enjoy flexible, immediate access to shared workspaces on demand.
Buy a virtual office
Establish a prestigious business address with professional mail and call-handling services.
Buy an access plan
Unlock flexible, convenient access to Regus locations globally with a membership tailored to you.
Download the app
Easily manage your workspace bookings and services anytime, anywhere with the Regus mobile app.

Your membership includes more than just workspace
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Widest product range
Our products are flexible, giving you the freedom to grow at your own pace without long-term commitments.
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Support team
Support staff to help you and your guests, from reception services to back-office functions such as IT.
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Community network
By joining Regus, you’ll gain access to a vibrant business community including networking events.
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The Regus app
Manage everything with the Regus mobile app, from bookings to controlling agreements, and getting support.
Products and service at Waterside Center
About Waterside Center
What makes this location special
Waterside Center, located at 3200 Guasti Road in the City of Ontario, offers strategic commercial relevance due to its proximity to key business services and transport nodes. The nearby Bank of America provides essential financial services, facilitating smooth operations for businesses. Additionally, the Kaiser Permanente Ontario Medical Center ensures health and wellness support for employees. The area is well-connected, with easy access to major highways and Ontario International Airport, enhancing client and partner visits. Establishing your offices here fosters professional credibility and access to top talent, while coworking spaces promote networking and collaboration. This location supports operational efficiency and cost management, making it ideal for business growth.
You’re part of a much bigger network
Regus in Ontarionorth_east
Ontario is a thriving business hub with proximity to Ontario International Airport and the dynamic Downtown Ontario, ensuring seamless logistics and transportation. The region's strong presence in manufacturing and healthcare, supported by institutions like Kaiser Permanente, attracts top talent to coworking spaces and serviced offices in Ontario, fostering growth and collaboration.
Amenities available
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Vending Machines
- weekend
Business Lounge
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Meeting Rooms
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Major Transport Links
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City/Town Center
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Common Areas
Where to find us
Address
3200 Guasti Road Suite 100, City of Ontario, CA, 91761, USA
24/7 Access
For private office and dedicated cowork customers
Nearby information

Dining & Hospitality
Located in the City of Ontario, our flexible office space offers easy access to a variety of dining options for your convenience. Enjoy a short walk to El Torito, a Mexican restaurant known for its happy hour specials, perfect for unwinding after a productive day. For a quick coffee break or informal meeting, Starbucks is just a six-minute walk away. These nearby amenities ensure you and your team have plenty of choices for refreshments and meals throughout the day.
Shopping & Services
Our workspace at 3200 Guasti Road is ideally situated close to Ontario Mills, a large shopping mall featuring numerous retail stores and dining options. Whether you need to run errands or enjoy a bit of retail therapy, you'll find everything you need within an eleven-minute walk. Additionally, Bank of America is just seven minutes away, providing full-service banking and ATM facilities for your business needs. This proximity to essential services supports your day-to-day operations seamlessly.
Health & Wellbeing
At our City of Ontario location, your health and wellbeing are prioritized with nearby access to Kaiser Permanente Ontario Medical Center. A ten-minute walk brings you to comprehensive medical services and urgent care, ensuring that quality healthcare is always within reach. Additionally, Cucamonga-Guasti Regional Park is a nine-minute walk away, offering fishing, picnic areas, and walking trails for relaxation and outdoor activities. These amenities help maintain a balanced and healthy lifestyle for you and your team.
Entertainment & Leisure
Our serviced office at 3200 Guasti Road is surrounded by entertainment options that cater to diverse interests. Dave & Buster's is an eleven-minute walk away, providing a fun venue with arcade games and dining for team-building activities or after-work relaxation. The proximity to such leisure amenities enhances the work-life balance for you and your employees, making it easier to enjoy downtime and foster camaraderie within your team.
Nearby locations
The Regus difference
Joining Regus brings you the freedom, value and flexibility that every business needs:
A workspace for every budget
Pay only for the space that you use
Workspace when and where you need it
Space immediately available with no lead times
Simple, all-inclusive pricing with no capital expenditure required
Total flexibility in room options, sizes and setup
Say hello to a new way of working.
Submit your details and we’ll show you what makes Regus different.


















