# Montreal Marriott Chateau Champlain Upcoming Events & Trade Show Calendar (2026–2027)

- **Canonical URL:** https://conventions.com/venues/montreal-marriott-chateau-champlain-montreal-pq/events
- **Parent Venue Hub:** https://conventions.com/venues/montreal-marriott-chateau-champlain-montreal-pq
- **VenueScore™:** 8.3/10 (Montreal Union Jurisdiction Convention Campus)
- **Address:** Convention & Conference Corridor, Montreal, PQ
- **Labor Jurisdiction:** Union Jurisdiction

Audit 2 verified 2026–2027 conventions, trade expositions, and technical congresses hosted at Montreal Marriott Chateau Champlain (Convention & Conference Corridor, Montreal, PQ)—complete with hall assignments, hotel rate compression, and direct links to each show's exhibitor and attendee guide.

## Upcoming Flagship Events & Annual Calendar at Montreal Marriott Chateau Champlain (2 Mapped Shows)
- **[CSIM Annual Scientific Meeting 2026](https://conventions.com/events/csim-annual-scientific-meeting-montreal)** — Oct 14–17, 2026 | 650+ B2B Attendees | 7.6 / 10 Moderate Corridor Compression
- **[Canadian Society of Nephrology Annual General Meeting 2027](https://conventions.com/events/csn-annual-general-meeting)** — May 5–8, 2027 | 550+ B2B Attendees | 7.6 / 10 Moderate Corridor Compression
- **CSIM Annual Scientific Meeting 2026** (Healthcare & Medical Trade Association & Conference Committee) — 2026-10-14 – 2026-10-17 | 650+ B2B Attendees | Montreal Marriott Chateau Champlain Main Exhibit Hall A–C (Contiguous Span) (8,530 sq. ft.) | $37–$48/sf (~$8,050 10×10 Est.)
- **Canadian Society of Nephrology Annual General Meeting 2027** (Healthcare & Medical Trade Association & Conference Committee) — 2027-05-05 – 2027-05-08 | 550+ B2B Attendees | Montreal Marriott Chateau Champlain Executive Breakout Wing (25 Rooms) (10,000 sq. ft.) | $36–$46/sf (~$7,900 10×10 Est.)

## 12-Month Compression Matrix
- **JAN (Peak):** Q1 Flagship Trade Show Surge
- **FEB (Peak):** High Association & Expo Demand
- **MAR (Peak):** Peak Spring Convention Window
- **APR (Moderate):** Shoulder Openings Late April
- **MAY (Moderate):** Strong Late-May Negotiation Leverage
- **JUN (Value):** Summer Value Rates Begin
- **JUL (Value):** Maximum Room-Block & Space Concessions
- **AUG (Value):** High Availability & Value Pricing
- **SEP (Moderate):** Fall Season Kickoff
- **OCT (Peak):** Peak Q4 Enterprise Congresses
- **NOV (Moderate):** Early Nov Busy; Late Nov Value
- **DEC (Value):** Mid-December Corporate Value Window