Cvent Supplier Network

The Westin Harbour Castle, Toronto

1 Harbour Square, Toronto, ON, Canada, M5J 1A6
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Venue image
3D

About us

The Westin Harbour Castle enables you to restore the body and expand the mind within our 70,000 square feet of refined function space. Hold a convention in the adjacent conference centre amid the graceful surroundings of the 25,000-square-foot Metropolitan Ballroom, accommodating up to 3,400 guests, brainstorm and innovate in our smaller meeting spaces or cultivate romance in our 2,766-square-foot Regatta Room and let lake views wash over your guests like the twilight’s soft glow. Unwind in our serene hotel accommodations, featuring signature amenities like our Westin Heavenly® Bed along with high-speed Wi-Fi and stunning views of Lake Ontario. Engage meeting guests with an array of wellness enhancements, including yoga and fitness classes.With the help of our meeting and event services team, everything from savoury catering to spirited entertainment will blend together in perfect harmony and our facilities will transform the way you do business.

Venue Details

ChainMarriott Bonvoy
BrandWestin
Built1975
Renovated2024
Total meeting space69,409 sq. ft.
Guest Rooms977
Venue typeHotel

Industry Ratings

AAA
Northstar

Awards

Cvent awards

Venue Highlights

3D Event Space
Cvent Photo-realistic 3D Event Spaces give planners the ability to realize their vision down to the finest detail.
Cvent's 2025 Top Meeting Hotels
Cvent's 2025 Top Meeting Hotels
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Cvent's 2024 Top Meeting Hotels
Cvent's 2024 Top Meeting Hotels
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Cvent's 2023 Top Meeting Hotels
Cvent's 2023 Top Meeting Hotels
See Cvent's full list of 2023 Top Meeting Hotels

Amenities

Room features and guest services
  • Concierge services
  • Laundry service
  • Luggage storage
  • Room service
  • View (garden)
  • View (ocean or water)
  • View (urban)
  • Voicemail box
Facilities
  • Extended stay
  • Onsite catering
  • Onsite gift shop
  • Onsite restaurant
  • Onsite security
  • Pet friendly
  • Rental car service
  • Space (outdoor)
  • Space (private)
  • Space (semi-private)
  • Wheelchair accessible

Sustainability

This venue holds verified sustainability certifications, based on certification data provided by BeCause in collaboration with Cvent.

Certifications (1)

Sustainability Certifications
Green Key Global Eco-Rating
Sustainability level: 4 Green Keys

Certification body: Green Key Global

Issued: 10/17/2024 Expires: 10/17/2027

Need dates

Priority windows that venues prefer for hosting events

Dec 17, 2025 - Dec 30, 2025
Jan 1, 2026 - Jan 7, 2026
Feb 13, 2026 - Feb 16, 2026
Mar 15, 2026 - Mar 20, 2026
Apr 2, 2026 - Apr 6, 2026
May 15, 2026 - May 18, 2026
May 22, 2026 - May 25, 2026
Jun 26, 2026 - Jul 5, 2026
Sep 6, 2026 - Sep 8, 2026
Oct 8, 2026 - Oct 12, 2026
Nov 26, 2026 - Nov 29, 2026
Dec 17, 2026 - Dec 30, 2026

Seasonal Availability

Do you want to know if your event is during the high or low season? Check the season availability for this hotel.
High season
May 01 - Jun 23Sep 08 - Oct 27
Shoulder season
Oct 28 - Nov 19Jun 24 - Sep 07Apr 01 - Apr 30
Low season
Jan 01 - Mar 31Nov 20 - Dec 31

Meeting rooms

Total meeting space
69,409 sq. ft.
Largest room
24,990 sq. ft.
Space (private)
Available
Meeting rooms
32
Second largest room
9,984 sq. ft.
Exhibit space
25,000 sq. ft.
Space (semi-private)
Available
Space (outdoor)
1,915 sq. ft.

Floor Plans

Download floor plans for this venue.
Explore Meeting Rooms
Explore Meeting Rooms
Find the perfect room with setup charts and interactive 3D floor plans.

Meeting space

Meeting room floor plans

Dockside 8
Dockside 5
Lakeview Terrace
Wellington

Guest rooms

Total guest rooms
977
Single (1 bed)
575
Double (2 beds)
363
Suites
27
Tax rate
13%

Location

Getting Here

From Toronto Pearson International Airport (YYZ): Turn right on Airport Rd/Regional Rd 7 to exit the airport, Turn left on the ON-427 S ramp, merge and follow south to the Gardiner Expwy. Exit left and follow the Gardiner Expwy east to York/Bay St via Lower Simcoe St. Merge on to Harbour Street, turn right on York Street, left on Queens Quay and right in to the hotel.
Distance from airport 1.37 mi
Parking in the area
Valet parking
( CA$60.00/day )

Local Attractions

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Affiliated Organizations (1)

Additional Information

Cancellation Policy

72 Hours

Additional details

-Hotel Association of Canada (HAC): Certified with 4 Green Keys -Nominated as: 2008 Canada: Ontario's Leading Hotel Our features: - Downtown waterfront on Lake Ontario - Westin Conference Centre linked to the hotel by glass walkway - Largest hotel ballroom in the city - 22 Suites - Easy access - Close to all major attractions - Beautiful views and lots of natural light - On site AV and Production - Convention Services Staff - Entire hotel is designated non-smoking

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The Westin Harbour Castle, Toronto Frequently Asked Questions

Explore frequently asked questions from the The Westin Harbour Castle, Toronto regarding Health and Safety, Sustainability, and Diversity and Inclusion

Sustainable Practices

Please provide comments or a link to any publicly communicated The Westin Harbour Castle, Toronto's sustainability or social impact goals/strategy.
Please visit Marriott.com/Serve360 for Marriott International's sustainability & social impact strategy and 2025 goals information.
Does The Westin Harbour Castle, Toronto have a strategy that focuses on the elimination and diversion of waste (i.e. plastics, papers, cardboard, etc.)? If yes, please elaborate on your strategy of elimination and diversion of waste.
Yes, Paper,Newspaper,Cardboard,Aluminum,Other Metals,Plastic,Glass,Cooking Oil,Landscape Waste

Diversity and Inclusion

For US hotels only, is The Westin Harbour Castle, Toronto and/or parent company certified as a 51% diverse owned business enterprise (BE)? If yes, please indicate which one of the following you are certified as:
No response.
If applicable, could you please provide a link to The Westin Harbour Castle, Toronto's public report on their commitments and initiatives related to diversity, equity, and inclusion?
https://www.marriott.com/diversity/diversity-and-inclusion.mi

Health and Safety

Were practices at The Westin Harbour Castle, Toronto developed based on health service recommendations from public governmental entities or private organizations? If Yes, please list which organizations were used to develop these practices.
Yes, Marriott cares greatly about every guest's experience and takes hygiene and sanitation very seriously. Marriott has established strict standards of cleanliness for all of its hotels that either meet or exceed public health department regulations. 
Does The Westin Harbour Castle, Toronto clean and sanitize public areas and publicly accessible facilities (i.e. meeting rooms, restaurants, elevator banks, etc.)? If yes, describe any new measures that are taken.
Yes, Marriott cares greatly about every guest's experience and takes hygiene and sanitation very seriously. Marriott has established strict standards of cleanliness for all of its hotels that either meet or exceed public health department regulations. 
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