
How to Read a Cruise Ship Deck Plan
Directions, symbols, cabin numbers and the one check that matters most.
Help Me Pick My CabinA deck plan is a top-down drawing of each deck of the ship. Once you know the directions, the legend and how cabins are numbered, you can judge a cabin’s location in a couple of minutes.
Directions on a Ship
| Term | Meaning | Why it matters |
|---|---|---|
| Bow / forward | The front of the ship | Moves most in a head sea; forward cabins can feel the bow rise and fall. |
| Stern / aft | The back of the ship | Can have vibration near the propellers; aft-facing cabins may have wake views. |
| Midship | The middle section, lengthwise | Usually the most stable area and close to main stairs and elevators. |
| Port | The left side when facing forward | Which side faces land depends on the itinerary, not the ship. |
| Starboard | The right side when facing forward | Same as port: neither side is “better” in general. |
| Inboard / outboard | Toward the center / toward the hull | Inside cabins are inboard; window and balcony cabins are outboard. |
A handy memory aid: port and left both have four letters.
Reading the Legend and Symbols
Every cruise line has its own icons, but the ideas are the same. Expect symbols or shading for:
- Category colors — each cabin category has a color or code.
- Sofa beds and pull-down berths — often a small icon showing the cabin sleeps three or four.
- Connecting doors — usually a line or arrow between two cabins.
- Accessible cabins — typically the wheelchair symbol.
- Obstructed or partial views — sometimes a separate category, sometimes a symbol.
- Stairs, elevators, restrooms and service areas.
- Lifeboats and tenders — drawn along the side of a deck.

How Cabin Numbers Work
Most lines start the cabin number with the deck number, so cabin 8124 is very likely on deck 8. Many lines then use odd numbers on one side of the ship and even numbers on the other, and number cabins from front to back (or back to front). The exact system varies by line and even by ship, so confirm it against the plan rather than assuming. Once you know the pattern, a cabin number tells you deck, side and rough position at a glance — useful when a line offers you a specific cabin by number.
The “Sandwich Check”
The most useful habit you can build: for every cabin you consider, look at the deck above and the deck below at the same position. If you see cabins on both, you have a “cabin sandwich” — the best defense against noise. If you see a pool deck, buffet, theater, nightclub, gym, galley or a busy promenade, think twice, or at least choose with your eyes open.
What Deck Plans Don’t Show
- Exact cabin sizes and furniture layouts (check the stateroom pages for those).
- Crew-only areas such as galleys, storerooms and mooring decks, which may be drawn as blank space.
- Which side will face the scenery on your itinerary.
- Recent refurbishments, if the plan hasn’t been updated yet.
If something on the plan is blank or unlabeled next to a cabin you like, ask before you book.
Send Us the Cabin Numbers You Like
Our cruise advisors at Mister Cruise will look at what is above, below and beside them, and quote each one for you — free.
Help Me Pick My Cabin