Casinos at Sea: Your Guide to Onboard Gaming

The Allure of the Onboard Casino

Cruise ship casinos offer a unique blend of excitement and convenience, allowing passengers to enjoy gaming while sailing between destinations. They are designed as social spaces where the atmosphere matters as much as the games themselves.

Casinos are typically open only when the ship is in international waters, complying with maritime laws. They provide a social atmosphere with a variety of games, from slots to table games. The experience is designed to be entertaining for both novice and experienced players.

A Brief History of Gaming at Sea

Gaming has been part of ocean travel for over a century, evolving from informal card games to full-scale casinos on modern cruise ships. Early ocean liners offered card rooms and small gaming areas. Modern cruise ships feature expansive casinos with hundreds of slot machines and numerous table games. The design and offerings vary by cruise line, from intimate lounges to large, multi-level casinos.

A luxurious cruise ship casino floor at night with rows of glowing slot machines and elegant table games
Log entry 01: The casino floor, photographed on approach.

Stepping onto the Casino Floor

Layout and Design

  • Slot machines often line the walkways, while table games are clustered in central areas.
  • Lighting is dramatic, with deep navy and gold accents common.
  • The casino is usually located on a lower deck, away from cabins to minimise noise.

Atmosphere and Ambiance

The atmosphere is lively, with the sounds of slot machines, the shuffle of cards, and the chatter of players creating an energetic environment. Music and announcements add to the excitement. Staff are trained to be helpful and maintain a friendly atmosphere. Smoking policies vary by cruise line and ship; many casinos have designated smoking areas.

“The roulette wheel slows, the room leans in, and for a moment the whole ship feels like one shared breath.”

A close-up of a roulette table on a cruise ship with a croupier placing a bet
Log entry 02: Roulette table under pendant light.

Games You Can Play

Table Games

Table games include classics like blackjack, roulette, craps, and poker variants, each with its own rules and betting limits. Blackjack is popular for its low house edge and simple rules. Roulette offers various betting options and is a social game. Craps is known for its energetic atmosphere and complex betting. Poker may be offered as a table game or in dedicated poker rooms.

Other Gaming Options

Some ships offer additional gaming such as bingo, sports betting, or electronic table games. Bingo is often hosted in the theatre or lounge during the day. Sports betting may be available on ships with sports bars. Electronic table games combine the feel of table games with automated play. Availability varies by ship and cruise line.

For a broader look at onboard activities, see our entertainment guide.

Poker at Sea

Cash Games and Tournaments

Many cruise ships offer poker in the form of cash games and tournaments, with varying stakes and formats. Cash games may run when enough players are interested. Tournaments are often scheduled on sea days and have buy-ins. Some ships have dedicated poker rooms, while others use a section of the casino.

Poker Etiquette

  • Act in turn to keep the game moving.
  • Avoid revealing your cards or discussing the hand while it is in progress.
  • Tipping the dealer is customary when winning a pot.

Read the full Poker at Sea guide

A poker table on a cruise ship with players' hands, stacks of chips, and cards being dealt
Log entry 03: Poker room, sea day tournament.

Roulette on Cruise Ships

The Game of Roulette

Roulette is a classic casino game where players bet on where a ball will land on a spinning wheel. The wheel has numbered pockets, alternating red and black, with a green zero (and sometimes double zero). Players can bet on single numbers, groups, colours, or odd/even. Payouts vary based on the type of bet. European roulette has one zero, while American roulette has two.

Roulette Etiquette and Tips

  • Wait for the dealer to clear the table before placing new bets.
  • Do not touch chips after the ball has landed.
  • Know the table minimums before sitting down.

Compare with our Poker guide

Blackjack at Sea

Blackjack Basics

Blackjack is a card game where players aim to beat the dealer by getting a hand value closer to 21 without going over. Cards 2-10 are face value, face cards are 10, and aces are 1 or 11. Players are dealt two cards and can hit, stand, double down, or split. The dealer must hit until 17 and stand on 17 or higher.

2-10 = face value J/Q/K = 10 Ace = 1 or 11

Blackjack Etiquette

  • Use hand signals: tap the table to hit, wave your hand to stand.
  • Do not touch the cards; they are dealt face up.
  • Place bets before the dealer starts dealing.

See more table game guides

A blackjack table on a cruise ship with a dealer dealing cards and players' hands visible
Log entry 04: Blackjack table, dealer's hand.

Casino Etiquette and Dress Code

Dress Code

Dress codes vary by cruise line and time of day, but smart casual is generally acceptable in the casino. During the day, resort casual is fine. In the evening, some ships require smart casual or formal attire on formal nights. Swimwear and bare feet are never allowed. Check with your cruise line before sailing.

Note: Formal night expectations can change by ship and itinerary. Confirm onboard.

General Etiquette

  • Do not use your phone while playing at a table.
  • Be mindful of your language and volume.
  • Tip dealers and staff for good service.

Practical Information for Casino Guests

Age Limits and Identification

The minimum age to enter the casino is typically 18 or 21, depending on the cruise line and itinerary. Most cruise lines set the minimum age at 18 for international cruises. Some lines require 21, especially for US-based itineraries. Bring a government-issued photo ID as proof of age.

Age limits vary; check with your cruise line before booking.

Currency and Payment

  • You can use your cruise card to charge gaming funds to your onboard account.
  • Cash is accepted at the cashier's cage.
  • ATMs may be available but often charge high fees.

Responsible Gaming

Cruise lines promote responsible gaming and provide resources for those who need help. Set a budget before you play and stick to it. Take regular breaks and know when to stop. Staff can provide information on responsible gaming programs.