
MGM National Harbor
Best for adults and nightlife: choose MGM National Harbor if you want casino gaming, multiple bars/lounges, live entertainment, and a wide variety of casual and destination restaurants.
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MGM National Harbor is a 5-star, casino-centric resort on the National Harbor waterfront with extensive dining, a seasonal rooftop pool, a large spa, and an events/theater program — read this if you want an energy-driven adult-leaning stay near DC. The Hay‑Adams is a historic five‑star luxury hotel steps from Lafayette Square and the White House — read this if you want classic Washington address, refined rooms, and a central location for sightseeing and meetings.
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Best for adults and nightlife: choose MGM National Harbor if you want casino gaming, multiple bars/lounges, live entertainment, and a wide variety of casual and destination restaurants.

Best for classic DC sightseeing and formal service: choose The Hay‑Adams if you want a short walk to the White House, a small-house, five‑star experience, and a restaurant with formal meal service.
When MGM National Harbor wins: pick MGM if you want a larger resort with many restaurants and bars, on‑site casino gaming and a 3,000‑seat theater, a seasonal rooftop pool with river views, and a full Clarins spa complex.
When The Hay‑Adams wins: pick The Hay‑Adams if you want a historic, smaller five‑star hotel in the heart of DC within easy walking distance of the White House, National Mall, and downtown museums and theaters.
Bottom line: MGM National Harbor is a resort-first option for entertainment, dining variety, and riverfront activity; The Hay‑Adams is a centrally located, formal Washington hotel better suited to travelers prioritizing location and classic luxury service.
| Category | MGM National Harbor | The Hay-Adams |
|---|---|---|
| Overall vibe | Large casino resort and entertainment complex with a riverfront, high-energy public spaces. | Historic, small-scale five-star hotel with formal service and a focus on refined Washington hospitality. |
| Location | National Harbor waterfront, Oxon Hill/Fort Washington, MD — minutes from waterfront attractions and Tanger Outlets. | 800 16th Street NW, central Washington, DC — a short walk to Lafayette Square and the White House. |
| Size | 308 rooms, including 74 suites; large meeting and event complex with a 3,000-seat theater. | 145 guestrooms; smaller footprint with 1 restaurant and 1 bar/lounge. |
| Check-in age | 21+ to check in (casino rules also apply). | 21+ minimum check-in age per property policy. |
| Pools | One seasonal rooftop outdoor pool (river views, day‑pod cabanas); open seasonally (typically Memorial Day–Labor Day). | Not published |
| Restaurants & bars | More than a dozen venues: steakhouse, Asian, Italian, Mexican, food hall, sports bars, casual cafes and more. | One restaurant (Lafayette) plus 24‑hour room service and a bar/lounge; cooked‑to‑order weekday breakfasts for a fee. |
| Spa & wellness | The Spa & Salon (27,000 sq ft, Clarins partnership, 11 treatment rooms, hydrotherapy, Vichy room); adult-only policy for spa users under 18. | Not published |
| Known for | Casino gaming, nightlife, large events and concerts, riverfront resort amenities. | Historic elegance, proximity to the White House and Lafayette Square, formal dining at Lafayette. |
| Family friendliness | Primarily adult‑oriented and casino‑centric, but children are welcome in rooms and at the outdoor pool. | Family‑friendly policies allow children to stay free in existing bedding (up to 2 children 17 and under). |
| Accessibility & services | Extensive event and meeting spaces, on‑site parking (self and valet for a fee), service‑animal policy only, no pets. | Concierge, valet parking (surcharge), business center, conference space (~6,300 sq ft), multilingual staff and accessible features. |
MGM National Harbor sits on the Potomac waterfront in Oxon Hill, Maryland — a short drive or water taxi ride from DC.
Best if you want a resort by the river with easy access to waterfront attractions and parking.
The Hay‑Adams is in downtown Washington, steps from Lafayette Square and a short walk to the White House and National Mall.
Best if you want to stay within walking distance of the White House and central DC landmarks.
MGM offers 308 rooms and 74 suites across a large hotel tower with multiple room types named Resort, Potomac, Capital, and Restore Capital Room.
Choose MGM for more room choices and suite inventory in a larger resort setting.
The Hay‑Adams has 145 guestrooms with pillowtop beds, down comforters, Egyptian cotton sheets and minibars.
Choose The Hay‑Adams for a small‑house, traditional luxury room experience in central DC.
MGM's dining lineup spans quick casual to destination restaurants and lively bars.
Choose MGM for dining variety and nightlife energy.
The Hay‑Adams focuses on a single signature restaurant (Lafayette), 24‑hour room service and a concise bar program.
Choose The Hay‑Adams for formal dining, convenient in‑room service, and a quieter dining pace.
MGM has a seasonal rooftop outdoor pool with river views and private day‑pod cabanas.
Choose MGM if a seasonal rooftop pool and cabanas are important to your stay.
The Hay‑Adams listing does not publish an on‑site pool.
Pool info not published — verify with The Hay‑Adams before booking if a pool matters.
MGM combines a large Clarins spa complex with a casino and multiple late‑night venues.
Choose MGM for an integrated wellness program plus late‑night entertainment and gaming.
The Hay‑Adams emphasizes classic hotel service rather than nightlife or a large spa complex.
Choose The Hay‑Adams if you prefer quieter, service‑driven evenings and centralized access to DC culture.

MGM National Harbor — casino floor, multiple bars, live shows and a 3,000‑seat theater.

The Hay‑Adams — steps from Lafayette Square and a short walk to the White House and downtown museums.

MGM National Harbor — a dozen+ restaurants and a food hall cover many cuisines and price points.

The Hay‑Adams — historic five‑star hotel with formal service and a single signature restaurant for refined meals.
The Hay‑Adams — it’s within walking distance of the White House, Lafayette Square and many downtown museums and theaters.
MGM National Harbor — it offers casino gaming, late‑night bars, live concerts in a 3,000‑seat theater and a range of nightlife venues.
Yes. MGM welcomes families (pool access for children; resort is adult‑oriented but family stays are allowed). The Hay‑Adams allows children and up to 2 children 17 and under stay free in existing bedding.
MGM National Harbor has a large Clarins partnership spa (27,000 sq ft). The Hay‑Adams supplier listing does not publish a spa on site.
Explore how MGM National Harbor stacks up against other hotels nearby:
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