Interior staterooms: The most affordable cruise ship rooms ideal for sensitive sleepers who prefer quieter rooms away from activities, making it the perfect spot to curl up after a long day of fun.When you’re on a Carnival cruise, you have your choice of stateroom styles and locations designated as Interior, Ocean View, Balcony or Suite. So how do you select the best stateroom to ensure you’ll have a relaxing, comfortable cruise? We’ll help you put it all together with the following suggestions. It could also depend on whether you’re cruising solo, plus-one, with the family or as a group. Getting familiar with the types of staterooms helps you choose the sleeping space that offers you the most comfort based on your personal preferences and personality. Before you book your cruise, you will want to know which stateroom you should call your own.