Skip to main content
Menu close text
Marriott Logo
Marriott Logo
Help

Select a Language

English(US)

The Westin Washington National Harbor

The Westin Washington National Harbor

VIEW MAP VIEW MAP
+1 301-567-3999
Cancel
DATES (1 NIGHT) NIGHTS)
Flexible in
S M T W T F S
Number of Nights
1
Rooms & Guests
Maximum 8 guests per room
Rooms
(Max: 3 Rooms/person)
1
Adults
(Max: 8 total guests/room)
1
Children
(Max: 8 total guests/room)
0
AGE OF CHILDREN (REQUIRED)
Special Rates
  • Harbor View Room
Credit Card
Earn 3 Free Nights + 50,000 Bonus Points
Learn More

Events

Start Planning Your Meetings or Events Here

Tell us about your event, then we'll contact you and plan it together

Start Your Plan Here

3

Event Rooms

2212 SQ FT

Total Event Space

150

Capacity Largest Space

3

Breakout Rooms
Capacity Chart | Floor Plans | Equipment and Services
Plan Your Holiday Party by the Waterfront
Join us on July 23rd from 4–7 PM for our Holiday Showcase and explore festive menus, event spaces, and waterfront views. Complimentary tickets are available now. And, book your holiday party by September 30th and receive one exclusive perk!
Learn More
Potomac Conference Room

Meeting and Events

It's easy to stay productive in our inspiring event facilities when you host your occasion with us

Fuel the brain for a day of meetings when utilize our catering menu to serve snacks and beverages Learn More
Take a break from work in our pre-function area with riverfront views of the Potomac River
You can ensure that your conference or seminar runs smoothly thanks to our professional event team
Our Potomac Conference room features 1,860 square feet of space to cater to your needs Learn More
Reserve a block of 10 or more rooms for your colleagues and receive a special group rate Learn More

Explore National Harbor Today

Experience the best when you host your next event at our waterfront hotel, surrounded by the all that National Harbor offers. Get to know the area with our destination guide.
Learn more
Potomac Water Taxi And The Awakening
Potomac Conference Room

Weddings and Occasions

You'll love celebrating an intimate soirée or a dreamy wedding in our riverfront event venue

Celebrate with those who matter most while you enjoy stunning views of the Potomac River Learn More
Let our event planners plan the Washington D.C wedding of your dreams as you share your inspiration Learn More
Curate a menu of tantalizing bites and unique cocktails using our available catering service Learn More
Our National Harbor wedding venue offers 2,212 sq. ft. of elegant, customizable event space
Lock in savings when reserving a block of 10 or more rooms for your special event in National Harbor Learn More
private dining austin
Rewarding Travel from Start to Finish
Earn up to 60,000 points per qualified event with Marriott Bonvoy Events. Elite members earn more with bonus points.
See how we're rewarding events

Please note: all room sizes are approximate.

Feet Meters
Meeting Room Dimensions (LxWxH) Area (sq.ft) Theater Schoolroom Conference U-Shape Reception Banquet
Potomac Conference Room 62x30x14 1860 120 80 48 40 150 100
Potomac A 27x30x14 810 60 40 20 20 80 32
Potomac B 35x30x14 1050 80 60 26 25 100 64
Boardroom 22x16x14 352 20 18 12 12 20 16
Pre-Function -x-x- 1752 - - - - - -
Harbor Trail 280x10x- - 0 0 0 0 100 50
Potomac Conference Room
Dimensions (LxWxH)
62x30x14
Area (sq.ft)
1860
Theater
120
Schoolroom
80
Conference
48
U-Shape
40
Reception
150
Banquet
100
Potomac A
Dimensions (LxWxH)
27x30x14
Area (sq.ft)
810
Theater
60
Schoolroom
40
Conference
20
U-Shape
20
Reception
80
Banquet
32
Potomac B
Dimensions (LxWxH)
35x30x14
Area (sq.ft)
1050
Theater
80
Schoolroom
60
Conference
26
U-Shape
25
Reception
100
Banquet
64
Boardroom
Dimensions (LxWxH)
22x16x14
Area (sq.ft)
352
Theater
20
Schoolroom
18
Conference
12
U-Shape
12
Reception
20
Banquet
16
Pre-Function
Dimensions (LxWxH)
-x-x-
Area (sq.ft)
1752
Theater
-
Schoolroom
-
Conference
-
U-Shape
-
Reception
-
Banquet
-
Harbor Trail
Dimensions (LxWxH)
280x10x-
Area (sq.ft)
-
Theater
0
Schoolroom
0
Conference
0
U-Shape
0
Reception
100
Banquet
50
Meeting Room Dimensions (LxWxH) Area (sq.mt) Theater Schoolroom Conference U-Shape Reception Banquet
Potomac Conference Room 18.9x9.1x4.3 172.8 120 80 48 40 150 100
Potomac A 8.2x9.1x4.3 75.3 60 40 20 20 80 32
Potomac B 10.7x9.1x4.3 97.5 80 60 26 25 100 64
Boardroom 6.7x4.9x4.3 32.7 20 18 12 12 20 16
Pre-Function -x-x- 162.8 - - - - - -
Harbor Trail 85.3x3x- - 0 0 0 0 100 50
Potomac Conference Room
Dimensions (LxWxH)
18.9x9.1x4.3
Area (sq.mt)
172.8
Theater
120
Schoolroom
80
Conference
48
U-Shape
40
Reception
150
Banquet
100
Potomac A
Dimensions (LxWxH)
8.2x9.1x4.3
Area (sq.mt)
75.3
Theater
60
Schoolroom
40
Conference
20
U-Shape
20
Reception
80
Banquet
32
Potomac B
Dimensions (LxWxH)
10.7x9.1x4.3
Area (sq.mt)
97.5
Theater
80
Schoolroom
60
Conference
26
U-Shape
25
Reception
100
Banquet
64
Boardroom
Dimensions (LxWxH)
6.7x4.9x4.3
Area (sq.mt)
32.7
Theater
20
Schoolroom
18
Conference
12
U-Shape
12
Reception
20
Banquet
16
Pre-Function
Dimensions (LxWxH)
-x-x-
Area (sq.mt)
162.8
Theater
-
Schoolroom
-
Conference
-
U-Shape
-
Reception
-
Banquet
-
Harbor Trail
Dimensions (LxWxH)
85.3x3x-
Area (sq.mt)
-
Theater
0
Schoolroom
0
Conference
0
U-Shape
0
Reception
100
Banquet
50
Banquet
Generally used for meals and sessions involving small group discussions. A five foot round table seats eight people comfortably. A six foot round table seats 10 people comfortably.
Conference and Hollow Square
Appropriate for interactive discussions and note-taking sessions for fewer than 25 people. Many hotels have elegant "boardrooms" for 10 to 20 people, equipped with full audiovisual capabilities, a writing board, cork board and a flip chart.
E-Shape, U-Shape and T-Shape
Appropriate for groups of fewer than 40 people. These are best for interaction with a leader seated at the head of the setup. Audiovisual is usually best set up at the open end of the seating.
Theater
Appropriate for large sessions and short lectures that do not require extensive note-taking. This is a convenient setup to use before breaking into discussion or role-playing groups because chairs can be moved.
Reception
Stand-up social function where beverages and light foods are served. Foods may be presented on small buffet tables or passed by servers. May precede a meal function.
Schoolroom or Classroom
The most desirable setup for medium to large-size lectures. Requires a relatively large room. Tables provide attendees with space for spreading out materials and taking notes.
Ovals and Rounds
Generally used for meals and sessions involving small group discussions. A five foot round table seats eight people comfortably. A six foot round table seats 10 people comfortably.

Audio-Visual Equipment

  • 35MM Projector
  • AV Technician
  • Film Projector with Screen
  • LCD Panel
  • LCD Projector
  • Microphone
  • Overhead Projector
  • PA System
  • TV
  • TV Production Service Provider
  • Teleconferencing
  • Video Camera
  • Videoconferencing
  • Walkie Talkies

Event Services

  • Event Lighting
  • Registration Service

Event Equipment & Supplies

  • Blackboards
  • Direction Signs
  • Easels
  • Flip Chart & Markers
  • Lobby Bulletin Board
  • Name Cards
  • Pens / Pencils / Notepad
  • Podium Lectern
  • Portable Stage
  • Spotlights
  • Stack Chairs
  • Tables
  • Wall Charts

Catering Services

  • Afternoon Break:$20.00 / Person
  • Coffee Break:$19.00 / Person
  • Continental Breakfast:$26.00 / Person
  • Dinner:$78.00 / Person
  • Full Breakfast:$29.00 / Person
  • Lunch:$46.00 / Person
  • Reception:$65.00 / Person

Frequently Asked Questions

The Westin Washington National Harbor has 3 event rooms.

The largest capacity event room is the Potomac Conference Room. It has a capacity of 150.

Yes, The Westin Washington National Harbor provides wedding services.

To book a meeting or event at The Westin Washington National Harbor click here

THE WESTIN WASHINGTON NATIONAL HARBOR

Overview Accommodations Dining Wellness Events Gallery

© 1996 – 2026 Marriott International, Inc. All rights reserved. Marriott Proprietary Information

English
Careers Opens a new window Terms of Use Program Terms & Conditions Privacy Center Digital Accessibility Sustainability in the Supply Chain Site Map Hotel Site Map Help Opens a new window