Alaska, the Caribbean and Europe as the top-selling destinations for 2019.

"Caribbean, Alaska, Bermuda and Europe are all here to stay. "They are always popular, and cruisers look to experience the great ports that each has to offer combined with the rich history, cultures and experiences. It is also where the vast majority of the inventory for cruising is."

So how do you get a deal in these regions? The general advice for all cruises applies: Book early. "If someone wants a specific ship, sailing or itinerary, they should try to book as far in advance as possible. "This will afford them the luxury of selecting the cabin they want and getting a great value."

Some consumers continue to book further out,". "After having such a strong 2018 and with top itineraries selling out fast, we've seen a sense of urgency and interest from travelers to book early and secure their top vacations."

Knowing the ins and outs of your desired cruise region will help you be smarter about vacation planning. Here's what you need to know about the top cruise destinations:

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