AC Hotel National Harbor Washington, DC Area

156 Waterfront St, Oxon Hill, Maryland, 20745
6,833
Sq ft event space
7
Meeting rooms
100
MAX Capacity
1996
Guest rooms

Welcome to AC Hotel National Harbor – Where Modern Elegance Meets Maryland Charm

Indulge in a blend of contemporary luxury and European-inspired design at AC Hotel National Harbor Washington, D.C. Area. Our National Harbor, Maryland venue is the epitome of sophistication, offering upscale amenities, plush bedding, and breathtaking views of the Potomac River.

Why Choose AC Hotel National Harbor?

  • Elegant Event Spaces: Host unforgettable weddings and meetings in our modern and cosmopolitan event venues.
  • Luxurious Accommodations: Experience comfort and style in our rooms and suites with floor-to-ceiling windows and Maryland vistas.
  • Culinary Delights: Enjoy European-style continental breakfast at AC Kitchen and savor signature cocktails at AC Lounge.

Featured Event Amenities

  • Sustainability: Our commitment extends to eco-friendly practices for a greener event experience.
  • Flexible Meeting Spaces: Choose from 6 chic event rooms with a total space of 7253 sq. ft. suitable for various occasions.
  • Modern Technology: Elevate your presentations with AV equipment and high-speed Wi-Fi.

Additional Information

The Marriott at 156 Waterfront St is a non-smoking and pet friendly hotel. It has a fitness center, rooms with landmark views, family rooms, suites, a bar / lounge, snack bar, a business center with free high-speed internet access throughout the hotel, conference spaces, meeting rooms, banquet rooms for wedding ceremonies or any event, in-house convenience store, sun terrace, in-house ATM, and more. Our rooms include safes, coffee / tea makers, refrigerators, on-demand movies, separate living room, irons and ironing boards, and more. Our total event space is 8903sq feet, including 8 meeting rooms, and 3 breakout rooms, the largest of which can fit up to 120 guests. We were awarded traveler’s choice 2021.

Experience the essence of Maryland hospitality in our versatile venues in Maryland, where the promise of unforgettable weddings and successful meetings is woven into the very fabric of our event spaces.

Check-in: 4:00 pm | Check-out: 11:00 am | Smoke-Free Property | Pet-Friendly (fee applies)

Host Your Events at AC Hotel National Harbor

From weddings to business conferences, make your events extraordinary at AC Hotel National Harbor. Contact us to plan your next gathering.

Frequently Asked Questions

What event spaces are available at AC Hotel National Harbor?

AC Hotel National Harbor offers 6 event rooms with a total event space of 7253 sq ft. Up to 120 people can be seated in the largest area.

Can I host a networking event or cocktail hour at AC Hotel National Harbor?

Absolutely! You can gather for a networking event or cocktail hour on the courtyard with space for up to 120 guests.

Are there catering services available for meetings and events?

Yes, the culinary team at AC Hotel National Harbor can create a custom menu for your conference or meeting.

What AV equipment and services are provided for presentations?

AC Hotel National Harbor offers AV equipment and high-speed Wi-Fi to wow your guests with impressive presentations.

How many breakout rooms are available for meetings?

There are 3 breakout rooms at AC Hotel National Harbor, providing flexibility for various event setups.

Can I host a wedding at AC Hotel National Harbor?

Certainly! The hotel has a National Harbor wedding venue with natural lighting, modern décor, and space for up to 120 guests.

Are outdoor wedding venues available?

Yes, you can bask in breathtaking views with up to 120 guests at the National Harbor outdoor wedding venue.

How can I share my creative ideas for my wedding day?

Professional planners at AC Hotel National Harbor are ready to help bring your wedding day to life. Share your ideas with them.

What room setups are available for meetings and events?

AC Hotel National Harbor offers various setups, including Banquet, Conference & Hollow Square, E-Shape, U-Shape, Theater, Reception, Schoolroom, and Ovals & Rounds.

What equipment and services are available for events?

The hotel provides audio-visual equipment, LCD panels, projectors, TVs, wireless internet, easels, flip charts, markers, pens, pencils, notepads, and business services like computers, copy, fax, overnight delivery/pickup, and printers.

Guest rooms

1996 rooms available for individual stays and discounted room blocks.

Meeting & event space

6833 sq ft across 7 configurable rooms. Tap a room for capacities and setups.

Gatehouse

2025 · 72 x 28 ft · 11 ft ceiling
Max capacity100
Floor area2025
Dimensions72 x 28 ft
Ceiling height11 ft
Configurations2
Capacity by setup
80
Banquet
100
Reception

Mariner

1620 · 45 x 36 ft · 12 ft ceiling
Max capacity90
Floor area1620
Dimensions45 x 36 ft
Ceiling height12 ft
Configurations5
Capacity by setup
90
Theater
90
Banquet
80
Classroom
50
U-Shape
90
Reception

Harbor Room

1400 · 25 x 56 ft · 11 ft ceiling
Max capacity90
Floor area1400
Dimensions25 x 56 ft
Ceiling height11 ft
Configurations5
Capacity by setup
90
Theater
80
Banquet
80
Classroom
50
U-Shape
90
Reception

Patio

1392 · 53 x 26 ft · 13 ft ceiling
Max capacity50
Floor area1392
Dimensions53 x 26 ft
Ceiling height13 ft
Configurations1
Capacity by setup
50
Reception

Harbor Room II

750 · 25 x 30 ft · 11 ft ceiling
Max capacity60
Floor area750
Dimensions25 x 30 ft
Ceiling height11 ft
Configurations5
Capacity by setup
50
Theater
60
Banquet
48
Classroom
28
U-Shape
60
Reception

Harbor Room I

650 · 25 x 26 ft · 11 ft ceiling
Max capacity45
Floor area650
Dimensions25 x 26 ft
Ceiling height11 ft
Configurations5
Capacity by setup
40
Theater
45
Banquet
36
Classroom
20
U-Shape
45
Reception

Potomac Boardroom

396 · 18 x 22 ft · 11 ft ceiling
Max capacity0
Floor area396
Dimensions18 x 22 ft
Ceiling height11 ft
Configurations0
Capacity by setup

Key amenities

Everything available on-site for your event and guests.

Location & transportation

156 Waterfront St, Oxon Hill, Maryland, 20745

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