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Casino & gaming at MGM National Harbor: an introduction

Updated · 5 min read · By the BookResorts travel team

Casino & gaming at MGM National Harbor: an introduction
Quick answer

MGM National Harbor is a full-scale casino resort on the Potomac waterfront with a large gaming floor (slots, table games, and a poker room) plus BetMGM Sportsbook & Lounge for sports wagering. Guests must be 21 to check in and to gamble on the casino floor; children may stay in rooms but cannot gamble.

In this guide
  1. Casino floor — what to expect
  2. Poker room and private play
  3. BetMGM Sportsbook & Lounge
  4. Practical gaming rules and guest policies
  5. Where gaming fits with dining and entertainment
  6. Visitor tips for a smoother gaming visit

Casino floor — what to expect

The casino floor at MGM National Harbor offers slots, video gaming, and a wide selection of table games in a large, open gaming area. The property is casino-centric, and gaming is a main focus of the resort experience.

All casino patrons must be at least 21 years old to play. The casino operates as part of the resort at 101 MGM National Ave, adjacent to dining venues and entertainment spaces such as The Theater.

  • Game types: slot machines, video gaming, blackjack, roulette, craps, and other traditional table games (availability varies).
  • Central location: the gaming floor sits near resort restaurants and bars, making it easy to move between dining and play.
  • Accessibility: MGM National Harbor lists accessible features across the property; ask casino staff for accessible seating and routes.
FeatureWhat to know
Minimum gambling age21 years (same as check-in age)
Payment methodsThe property accepts credit cards for many charges; cash/debit use for payments may be restricted—ask front desk/guest services
Nearby non-gaming optionsRestaurants, sportsbook lounge, theater, spa and seasonal rooftop pool
Casino gaming floor with poker tables and slot machines at MGM National Harbor.
Casino gaming floor with poker tables and slot machines at MGM National Harbor.

Poker room and private play

MGM National Harbor maintains a dedicated poker room with multiple tables for cash games and limited tournament play depending on schedules. Poker rooms are typically in a quiet zone of the casino and staff can provide the current game list.

If you’re planning a poker visit, check current schedules and buy-in amounts with the casino directly on the day you arrive, since offerings can change with demand and special events.

  • Ask the poker room host for current game types, blinds and tournament times.
  • Bring photo ID showing you are 21 or older; poker room access requires the same age policy as the rest of the casino.
  • If you want a steady seat, arrive early or contact the poker room on arrival for reservations or waitlist options.
Poker detailNote
LocationOn-site poker room inside casino area
Age requirement21 to play
Games & schedulesVaries by day—confirm with poker room staff
Spacious poker room with rows of tables and overhead signage at MGM National Harbor
Spacious poker room with rows of tables and overhead signage at MGM National Harbor

BetMGM Sportsbook & Lounge

BetMGM Sportsbook & Lounge at MGM National Harbor is the on-property option for sports wagering and game-day viewing. It combines a lounge setting with multiple screens for live events and wagering terminals.

Sportsbook hours and on-site betting rules can vary by event and league; speak to on-site sportsbook staff for details and any betting-related restrictions.

  • Space doubles as a lounge for food and drinks while you watch games.
  • Ask staff about in-person registration or digital account setup needed to place bets.
  • The sportsbook follows the same 21+ policy for wagering on property.
Sportsbook featurePractical note
ViewingMultiple large screens and seating for groups
WageringOn-site terminals and attendant service—check local rules
Food & drinkAvailable in the lounge; hours vary
Luxurious sportsbook lounge with central bar and multiple screens at MGM National Harbor
Luxurious sportsbook lounge with central bar and multiple screens at MGM National Harbor

Practical gaming rules and guest policies

MGM National Harbor enforces a 21+ minimum to check in and to gamble. The property welcomes families for lodging, but gaming areas and sportsbook are restricted to adults.

The resort charges a mandatory nightly resort fee and may require a refundable incidental deposit at check-in. Payment, parking and identification rules apply across the property—confirm at the front desk for the latest details.

  • Check-in minimum age: 21 years.
  • Resort fee: the property charges a mandatory nightly resort fee (ask at booking for current amount and inclusions).
  • Deposit: the hotel typically requires a refundable incidental deposit at check-in—amounts are set by the property.
ItemTypical policy
Resort feeMandatory per night (covers selected amenities such as fitness access and in-room internet)
Incidental depositRefundable deposit required at check-in
Pet policyPets not allowed; service animals accepted

Where gaming fits with dining and entertainment

Gaming sits alongside more than a dozen dining and nightlife outlets at MGM National Harbor, so you can move easily between the casino and restaurants such as Voltaggio Brothers Steak House, Ginger, Diablo's Cantina, Bread + Butter, and others.

The Theater at MGM National Harbor hosts concerts and comedy shows; check the theater schedule if you plan to combine a show with casino time—arrival and security procedures may affect your evening plans.

  • Signature restaurants on-site include Voltaggio Brothers Steak House and Harbor Provisions; hours vary and some venues require reservations.
  • Nightlife venues such as TAP Sports Bar and Diablo's Cantina offer a different atmosphere from the casino floor.
  • If you plan a late-night visit, confirm restaurant and sportsbook hours in advance.
On-site venueTypical service
Voltaggio Brothers Steak HouseDinner service (closed some weekdays) — reservations recommended
BetMGM Sportsbook & LoungeSports viewing and wagering
Bread + Butter / National MarketCasual all-day dining and quick service

Visitor tips for a smoother gaming visit

Bring a government-issued photo ID proving you are 21+ if you intend to gamble or check in as the primary guest. Plan for the resort fee and incidental deposit at check-in, and confirm accepted payment types for casino play and on-property charges.

If you’re visiting from out of town, note nearby transportation options (Ronald Reagan Washington National Airport is the closest major airport) and local attractions such as the Capital Wheel and Tanger Outlets if you want non-gaming activities.

  • Confirm casino and sportsbook hours on the day you visit—hours can change for events.
  • If you need a non-smoking or accessible gaming area, ask casino staff on arrival.
  • Consider booking dining reservations early for popular restaurants, especially on weekends.
Quick checklistWhy it helps
ID (21+)Required for check-in and all gambling
Ask about deposits & feesAvoid surprises at check-in
Reserve restaurantsPopular venues fill on event nights
Destination details checked November 10, 2026; things change, so confirm anything important before you travel.
  1. MGM National Harbor — Marriott
  2. MGM National Harbor spa partners with Clarins — Patch
  3. MGM National Harbor — Travel + Leisure / US News listing
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Frequently asked questions

See all FAQs →
How old do I have to be to gamble at MGM National Harbor?

You must be 21 years or older to gamble on the casino floor at MGM National Harbor. The same minimum age applies to checking in as the primary guest.

Does MGM National Harbor have a sportsbook?

Yes. BetMGM Sportsbook & Lounge is on property and provides in-person wagering and live sports viewing; check with on-site staff for current hours and wagering policies.

Are children allowed in the casino or sportsbook?

No. Gaming areas and the sportsbook are restricted to guests 21 and older. Children may stay in guest rooms and use the seasonal outdoor pool but may not enter the casino gaming areas.

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Aerial view of MGM National Harbor resort tower and waterfront at dusk
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