Cabin category, deck, nearby venues, motion, elevators, and accessibility can affect the entire sailing.
Do not choose a cruise cabin by category alone. Check the deck plan, nearby elevators, theaters, pools, kitchens, nightclubs, connecting doors, and the distance to the places you expect to use most.
Motion sensitivity is a real factor in that decision, not a superstition. Travelers who are sensitive to motion generally do better away from the parts of the ship that move the most — health guidance for cruise travelers specifically calls out avoiding locations of maximum motion, like the bow. Midship cabins, particularly on lower decks, are commonly preferred for that reason; cabins at the front, back, or top can pitch like a mechanical bull with an ocean view. Anyone prone to seasickness should treat that stretch of the deck plan as the starting point, not an afterthought, and book it early, since everyone else who has ever been seasick had this same idea first.
A beautiful cabin directly beneath the 6 a.m. chair-dragging championships may not feel like an upgrade.

