on the carvival spirit the riviera deck is the lowest deck, the main deck is a deck above the lobby. the higher up in decks and closer to the front of the ship you are is were you will feel more of the ships motion in the waters.Click to see full answer. Consequently, which deck is the best on a cruise ship?The lower and more central you are in a ship, the less roll and sway you will feel. Even if you choose a balconied stateroom, choose the lowest level and the most midship one you can find. The higher decks and cabins at the very front (forward) or back (aft) of the ship will rock and roll the most.Secondly, what are the decks on a cruise ship called? Common names for the main atrium level include the lobby deck or atrium deck, while the shopping level is often known as the promenade deck. The main show lounge is generally two stories high, and located on the atrium and shopping decks. In this way, how are decks numbered on a cruise ship? In modern ships, the interior decks are usually numbered from the primary deck, which is #1, downward and upward. So the first deck below the primary deck will be #2, and the first above the primary deck will be #A2 or #S2 (for “Above” or “Superstructure”).Is a lower or higher deck better on a cruise?Lower vs. Upper Deck Cabins: Bottom Line. If you have mobility concerns or suffer from seasickness, want to be close to the main areas of the ship or prefer to stay very close above the ocean, a cabin on a lower deck might be better for your next cruise.