For most people, a good cabin sits near the middle of the ship, with passenger cabins directly above and below it. That keeps you close to the lifts and away from the noise of pool decks, bars and theatres. If motion is the worry, lower is steadier too: the closer you are to the waterline and the centre of the ship, the less movement you’ll feel. Beyond that, the right spot depends on the ship’s layout and what matters most to you, whether that’s a quiet night, a big balcony or a view.
Cruise lines show cabin position on their deck plans. Cunard’s Queen Mary 2 plan for sailings before March 2027 lists stateroom categories by position, Forward, Midships, Mid Aft and Aft, and splits the ship into low decks and high decks. Once you can read a plan like that, you can pick a good cabin on a ship you’ve never set foot on.
Forward, Midships or Aft
A ship pivots around its middle, so the further you are from the centre, and the higher up, the more you feel it. Midships on a lower deck is the steadiest spot, and midships is also the shortest walk to the lifts, which matters more than people expect on a ship the length of Iona.
Aft cabins look out over the ship’s wake, and on many ships the aft balconies are the deepest and most private on board. They’re closer to the engines and thrusters, so depending on the ship, some pick up a low hum under way or vibration when the ship manoeuvres into port. Some passengers book aft on purpose for the balcony and the view.
Forward cabins give you the view over the bow and the first sight of a port coming up, but they take the most pitch in open water and, on some ships, a thump from the anchor chain on an early tender morning. If you’re prone to motion, the NHS advice is to “sit in the middle of a boat”, and our guide to seasickness on a cruise covers the rest.
Look at What Is Above and Below You
It takes about a minute to look at the same spot on the deck above and the deck below your cabin. A cabin with other cabins above and below avoids noise from public rooms, though it can’t promise a quiet night.
Above you, the ones to look for are the pool deck, the buffet and the sports court, where deck chairs get dragged early and the crew set up before you’re awake. Below, it’s the theatre, the nightclub and the galley. Iona names its decks as well as numbering them, which makes this quicker: Lido Deck 16 is the pool deck, so Deck 15 cabins directly beneath it are the ones to check first.
The same plan shows things nobody thinks to check. Queen Mary 2’s plan includes the kennels and a launderette, and a launderette on your corridor is handy on a long voyage but can mean foot traffic and machines running outside your door.
The Symbols Most People Skip
Deck plans carry a legend, and it answers questions that would otherwise surface on embarkation day. Iona’s plan marks cabins with an obstructed view, cabins with interconnecting doors, and cabins where the balcony is shaded.
A balcony under an overhang stays cool in the Caribbean and gets less light in the fjords, so whether shade helps depends on the itinerary.
Obstructed doesn’t always mean the same thing. Cunard spells out on the Queen Mary 2 plan that the obstruction is lifeboats, and a lifeboat across the lower half of the window still lets light in and leaves the sea visible when you’re standing up. Those cabins are usually midships on a low deck, the steadiest part of the ship, which suits anyone who puts a calm night ahead of the view.
The Details That Live in the Small Print
Two lines on Iona’s deck plan settle real questions. Every cabin has a shower only, apart from the B4, B5 and B6 suite grades, so if a bath matters the answer is already published. And all pull-down beds in twin cabins are reached by a ladder, which matters if the pull-down bed is for a grandparent or a small child.
The plan also marks standard cabins with accessible elements, which sit between a fully adapted cabin and an ordinary one. If someone in your party uses an upright walking aid instead of a wheelchair, those are the ones to ask about by name.
Guarantee Cabins and What You Give Up
A guarantee fare gets you a grade, not a cabin number, and the line allocates the actual cabin later. You’ll get at least the grade you paid for, and upgrades do happen, but you give up any say over where on the ship you end up.
That’s a fair trade on a short Norwegian fjords sailing spent mostly on deck. It’s a bigger one on a fourteen-night transatlantic, or if anyone in the party is a light sleeper or prone to motion, and in those cases choosing the cabin yourself is the safer option.
Ships get refitted and cabins change grade, so the date on a deck plan matters. Cunard publishes two plans for Queen Mary 2: one for sailings departing before 30 March 2027, and one showing the post-refit layout for sailings after that date.
Frequently Asked Questions
Near the middle of the ship, with passenger cabins directly above and below. Lower decks move less, so if seasickness is a concern, low and central is the steadiest combination. Beyond that, the best spot on a particular ship depends on its layout and what you value most.
There’s no single best deck, because it depends what that ship puts on the decks either side of you. A passenger deck with cabins above and below is a good starting point, and lower decks move less if motion is a concern. Check the plan, not the number: on Iona, Lido Deck 16 is the pool deck, so Deck 15 sits directly underneath it.
Aft cabins look over the wake and often have the deepest, most private balconies, though some pick up engine hum or vibration when the ship manoeuvres, depending on the ship. Forward cabins get the view over the bow and take the most pitch in open water. Midships avoids both.
Something on the outside of the ship sits between your window and the sea. On the Queen Mary 2 plan, Cunard states that it’s lifeboats. Light still comes in, and the sea is usually visible when you’re standing up.
It’s marked on the deck plan: P&O prints a shaded-balcony symbol on the Iona plan. Shade helps in the Caribbean and costs you light on a Norway sailing, so it depends which you’re booking for.
A guarantee gets you a grade rather than a cabin number, with the line allocating it later, and upgrades do happen. You give up every choice of position. That’s a reasonable trade on a short sailing you’ll spend on deck, and a poor one if anyone in the party is a light sleeper or prone to motion.
No, and the deck plan usually says so. P&O states on the Iona plan that every cabin has a shower only apart from the B4, B5 and B6 suite grades. If a bath matters, check that line on the plan for your ship before you book.
How We Verify This Advice
We aim for practical, low-risk guidance. Before publishing and during updates, we check core planning details against official sources and current operator information.
What We Check
- Berth and terminal details, including whether the port is walkable or requires a transfer
- Transport options and realistic return timing for different port types
- Details that change frequently, such as fares and schedules, with up-to-date notes where relevant
Typical Sources
- Official port authority and terminal updates
- Cruise line port notes and day-of-call instructions
- Local transport operators and official tourism resources