However, she adds, it truly depends on the cruise line.

What is included on a cruise?

Often, they will include the shore excursions and even, on many, the alcohol on board.

Schooner cruise ship in sea near st lucia -

Credit:Getty Images

In some cases, extra perks like gratuities and Wi-Fi are included.

What is not typically included on a cruise?

), specialty restaurants, Wi-Fi, or gratuities as part of the base cost of the cruise.

Man waiting for the boat at the pier to go on a cruise

freemixer/Getty Images

Spa treatments cost extra, too.

Some alcoholic beverages are included, too, depending on the itinerary.

Gratuities and airport transfers are also included.

Dining Room Buffet aboard the abstract luxury cruise ship. Healthy breakfast at modern liner concept

Marina113/Getty Images

Viking

Viking offersadults-only cruisesto destinations around the world.

Per the pro, This is a huge value to consider for any cruiser."

Additionally, Travis explains that Princess has a similar offer with itsPrincess Premier package upgrade.

Woman on cruise boat looking out to sea

David Raymer/Getty Images

This, she says, makes the cruise experience as close to all-inclusive as possible.

Tips for Picking the Best All-inclusive Cruise

Consider your travel style.

Factor in your non-negotiables.

Couple relaxing and drinking champagne on deck chairs on the waterfront. They are toasting with the champagne. Focus on foreground

courtneyk/Getty Images

What are your non-negotiables on a cruise?

Ask yourself which amenities are most important to you and narrow down your options from there.

For example, in Kennedys case, she prioritizes complimentary kids club access since she has three young children.

Reach out to an expert.

Combing through the different choices can feel overwhelming, so consider reaching out to an experienced travel advisor.