Cruise ship casino with slot machines and table games at sea

Gambling on a cruise works differently than in a land casino. Hours are regulated by maritime law, payouts vary by ship, and comps are calculated using ship-specific formulas. Understanding these differences helps you avoid common mistakes and align your play so it converts into real value.

This guide covers when cruise casinos open, age and payment rules, how comps are calculated, and practical tips experienced players use to play smarter at sea.

When Do Cruise Ship Casinos Open?

Shipboard casinos generally open only when the vessel is in international waters. That usually means evenings and sea days, with closures while docked in port. Exact hours vary by itinerary and cruise line.

  • Sea days = longest, cleanest play windows
  • Port days = limited or no casino hours
  • Weather and local regulations can affect schedules

Age Rules, Smoking & Payment Basics

Most cruise casinos require players to be 18 or 21, depending on the cruise line and sailing region. Smoking policies vary by ship and may be restricted to designated casino sections.

  • Payment methods include cash, room charge, or casino markers (line-dependent)
  • ATMs are available but often carry higher fees
  • Foreign currency is usually not accepted onboard

Comps at Sea: How Offers Are Calculated

Cruise casino comps are based on Average Daily Theoretical (ADT). ADT estimates your expected loss using average bet, game type, house edge, and time played. Consistency matters more than short-term wins or losses.

  • Fewer, longer sessions read stronger than scattered play
  • Sea-day play typically produces the cleanest ratings
  • Slot, table, and video poker play are rated differently

For a deeper breakdown, see Casino Comps Explained.

At Sea vs. In Port: Typical Differences

At sea, casinos operate normally and track play continuously. In port, casinos may close or limit activity due to local regulations. This makes sea days the most important part of a gambling-focused cruise.

  • Sea days favor structured, repeatable sessions
  • Port days are best treated as rest or travel days
  • Avoid zero-play sea days to protect ADT

Practical Tips to Play Smarter

  • Always use your players card from the first wager
  • Confirm table ratings before leaving the pit
  • Keep stakes consistent; avoid late-session chasing
  • Focus play on sea days whenever possible

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