# Marriott Marquis Washington, DC Upcoming Events & Trade Show Calendar (2026–2027)

- **Canonical URL:** https://conventions.com/venues/marriott-marquis-washington-dc-washington-dc/events
- **Parent Venue Hub:** https://conventions.com/venues/marriott-marquis-washington-dc-washington-dc
- **VenueScore™:** 8.6/10 (Washington Union Jurisdiction Convention Campus)
- **Address:** Convention & Conference Corridor, Washington, DC
- **Labor Jurisdiction:** Union Jurisdiction

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

## Upcoming Flagship Events & Annual Calendar at Marriott Marquis Washington, DC (2 Mapped Shows)
- **[Congressional Black Caucus Foundation Annual Legislative Conference 2026](https://conventions.com/events/cbcf-alc)** — Sep 16–20, 2026 | 10,000+ B2B Attendees | 8.8 / 10 High Corridor Compression
- **[American Academy of Child and Adolescent Psychiatry Annual Meeting 2027](https://conventions.com/events/aacap-annual-meeting)** — Oct 18–23, 2027 | 4,500+ B2B Attendees | 7.6 / 10 Moderate Corridor Compression
- **Congressional Black Caucus Foundation Annual Legislative Conference** (Finance, FinTech & Banking Trade Association & Conference Committee) — 2026-09-16 – 2026-09-20 | 10,000+ B2B Attendees | Marriott Marquis Washington, DC Main Exhibit Hall A–C (Contiguous Span) (8,024 sq. ft.) | $39–$47/sf (~$9,200 10×10 Est.)
- **American Academy of Child and Adolescent Psychiatry Annual Meeting** (Healthcare & Medical Trade Association & Conference Committee) — 2027-10-18 – 2027-10-23 | 4,500+ B2B Attendees | Marriott Marquis Washington, DC Grand Ballroom & General Session Plenary (18,085 sq. ft.) | $35–$44/sf (~$8,100 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