Let’s get one thing out of the way first: “worst” does not mean unsafe, terrible, or completely unbookable.
A cruise ship can still give people a good vacation and still end up on a list like this.
Sometimes it’s because the ship is getting older. Sometimes the layout is awkward. Sometimes the food gets a lot of complaints.
And sometimes the ship just doesn’t live up to what people expect in 2026, especially now that new mega ships have pretty much become the norm.
This list is based on recent passenger review trends, age, ship condition, onboard complaints, and how these ships compare with newer vessels in the same market.
10. Sun Princess
This one may surprise people because Sun Princess is not old at all. In fact, she is one of Princess Cruises’ newest ships.
But that is exactly why some passengers have been so disappointed.
The expectations were sky-high. New ship, new design, big modern spaces, the Dome, new dining concepts.
And yes, Sun Princess absolutely has some beautiful areas. But recent reviews have also pointed to crowding, confusing layout, and a feeling that the ship doesn’t always flow as smoothly as it should.
Cruise Critic listed Sun Princess among the worst-ranked Princess ships in recent member reviews, with complaints about layout, crowding, and cutbacks.
That doesn’t mean she is a bad ship. But for a brand-new flagship, passengers expect a little more “wow”.
Best for: Cruisers who want to try the newest Princess concept and don’t mind a learning curve.
Maybe avoid if: You prefer traditional Princess ships with easier layouts and a calmer feel.
9. Navigator of the Seas
Navigator of the Seas used to be one of those Royal Caribbean ships people talked about with a lot of affection.
She was amplified, she has fun features, and she still offers a lively short-cruise vibe from the West Coast.
But recent reviews have not been kind.
Cruise Critic ranked Navigator among Royal Caribbean’s lowest-rated ships in recent member reviews, with complaints around food, service, cleanliness, and the ship feeling worn in some areas.
The tricky thing with Navigator is that she looks exciting on paper. Waterslides, bars, short itineraries, Royal Caribbean energy.
But when a ship attracts a short-cruise party crowd, things can feel more chaotic.
More noise and more people trying to squeeze a whole vacation into a few days.
Best for: A quick getaway with friends, especially if the itinerary and price are good.
Maybe avoid if: Food quality, calm spaces, and polished service are major priorities.
8. Diamond Princess
Diamond Princess has a very loyal following, especially for Japan itineraries.
She also has some unique features, including an onboard Japanese-style bathhouse, which is pretty cool.
But she is also an older ship, and that comes through in many passenger comments.
Cruise Critic ranked Diamond Princess as the lowest-rated Princess ship in its recent review roundup, noting that although she has had refurbishments, her age still appears in negative reviews.
Common complaints included dated cabins, older carpets, faulty outlets, vibration, and cold food.
This is the kind of ship where the itinerary can carry the whole vacation.
Japan, Asia, interesting ports, and more destination-focused cruising.
Best for: Destination-focused cruisers who care more about ports than the ship’s features.
Maybe avoid if: Modern cabins and big entertainment are important.
7. Enchantment of the Seas
Enchantment of the Seas has charm. Smaller ships can be lovely, especially for cruisers who hate the giant ships.
But there is a difference between “classic” and “tired,” and some passengers feel Enchantment has crossed that line.
Enchantment is among Royal Caribbean’s worst-reviewed ships, with passengers pointing to a lack of space, poor food quality, and the feeling that the ship should be retired.
The problem is expectations. Royal Caribbean is now known for ships like Icon, Utopia, Wonder, and Oasis-class giants.
So when passengers book Enchantment, especially newer cruisers, they may expect at least a slice of that same big Royal Caribbean magic.
Instead, they get a much smaller, older ship with fewer venues and less wow factor. To avoid unpleasant surprises, always check the ranking of Royal Caribbean ships before booking
Best for: Cruisers who want smaller ships, lower prices, and simpler itineraries.
Maybe avoid if: You want modern Royal Caribbean with all the bells and whistles.
6. Costa Serena
Costa Serena is not a ship everyone in the American cruise market talks about, but among international cruisers, she can be very hit or miss.
The ship has that classic Costa personality: colorful, lively, very European, very multilingual, and sometimes a little chaotic.
Some people enjoy that. Others come away frustrated, especially if they expected a more American-style cruise experience.
Recent reviews have complained about older interiors, repetitive buffet food, cafeteria-like dining, and extra charges that can annoy passengers who are used to more inclusive cruise lines.
Costa can offer great prices, but low fares often come with tradeoffs. The experience may feel busy, noisy, and not especially premium. For some passengers, that is fine. For others, not so much.
Best for: Budget-conscious cruisers who enjoy a lively European atmosphere.
Maybe avoid if: You want polished service, quiet spaces, and a strong buffet variety.
5. MSC Armonia
MSC Armonia is one of MSC’s older and smaller ships, and she has a very different feel from the newer MSC giants like MSC World Europa, MSC Seascape, or MSC Euribia.
Once again, smaller ships are easier to navigate and some people might prefer them.
But in 2026, older MSC ships face a tough comparison against the line’s newer vessels, which have massive promenades, modern lounges, bigger kids’ areas, and more dining variety.
MSC also tends to be a divisive cruise line in reviews. Some passengers love the international atmosphere and stylish interiors.
Others complain about service inconsistency, food, crowds, and communication.
MSC Armonia is not the ship to book for a big wow-factor cruise. She can be a good option if you’re looking for a good price, a decent itinerary, and you have realistic expectations.
ALSO READ: Best and Worst MSC Cruise Ships (2026 Ranking)
Best for: Affordable Mediterranean-style cruising.
Maybe avoid if: You want the full modern MSC mega-ship experience.
4. Carnival Sunshine
Carnival Sunshine is an interesting one because she has a big personality. She is fun, lively, and very Carnival. Plenty of people have had great cruises on her.
But she is also one of those ships that gets a lot of she’s showing her age comments.
Originally launched as Carnival Destiny in the 1990s and later renamed Carnival Sunshine, she has been extensively reworked over the years.
The issue is that even with updates, an older ship still has older bones.
Narrower spaces, crowding in certain areas, older cabin layouts, and a ship design that wasn’t originally built for today’s version of the Carnival product.
For passengers who want a cheap, fun, loud, casual cruise, Sunshine can still work. But compared with Carnival’s newer Excel-class ships like Mardi Gras, Celebration, and Jubilee, she feels much more dated.
Best for: Bargain hunters who want Carnival energy and don’t mind an older ship.
Maybe avoid if: You are sensitive to crowding or want a newer, more spacious Carnival ship.
3. Serenade of the Seas
Serenade of the Seas has one big thing going for her: beautiful views.
The Radiance-class ships were designed with tons of glass, and for scenic itineraries, that really matters.
But recent passenger reviews have pushed Serenade into uncomfortable territory.
She’s the lowest-rated Royal Caribbean ship in different recent rankings, with criticism focused on hygiene, food quality, outdated technology, and cabin condition.
That is rough, especially because Serenade often sails the kind of itineraries where people are spending serious money and expecting something special.
Alaska, longer cruises, destination-heavy sailings. When the scenery is beautiful, but the ship itself disappoints, passengers remember it.
This is still not a ship to dismiss completely. Some cruisers love Radiance-class ships because they feel more connected to the sea. But she needs the right passenger.
Best for: Scenic itineraries where ocean views matter more than flashy features.
Maybe avoid if: You expect newer Royal Caribbean standards.
2. Aurora
P&O Cruises’ Aurora is a classic ship, and for some passengers, that is exactly the appeal.
Adults-only, traditional, smaller, more relaxed. There is a real audience for that.
She’s the line’s oldest ship, and some passengers complained about dated cabins, stained carpets, old bathrooms, poor TV service, inconsistent food, and the need for refurbishment.
The thing with Aurora is that she is not trying to be that kind of floating amusement park.
So judging her against the newest family mega-ships would be unfair.
But even traditional cruisers still expect comfort, clean cabins, working fixtures, and food that feels up to standard. When those things slip, nostalgia only goes so far.
Best for: Adults-only cruisers who like old-school British cruising.
Maybe avoid if: You want modern cabins, fresh décor, and newer onboard features.
1. Carnival Elation
Carnival Elation takes the top spot because she represents the biggest gap between what many first-time cruisers now expect and what an older budget ship can realistically deliver.
She is small and older by modern Carnival standards. She does not have the huge variety of restaurants, roller coasters, massive atriums, or flashy neighborhoods found on newer ships.
And because she often sails shorter, budget-friendly itineraries, she can attract a crowd that wants maximum fun for minimum money.
However, it can also be loud, busy, and a bit rough around the edges.
The ship still has loyal fans. Some people love smaller Carnival ships, but for 2026, Carnival Elation feels very dated next to Carnival’s newer ships.
This is the kind of ship where the price needs to be really good. And expectations need to be very realistic.
Best for: cheap short cruises, first timers on a tight budget, and people who just want sun, drinks, and ports.
Maybe avoid if: you want a modern Carnival experience with lots of dining, entertainment, and updated spaces.
One more thing…
The only other thing you need to know is that the “worst” cruise ship for one person can still be the perfect ship for someone else.
A quiet older ship can be heaven for a cruiser who hates crowds, or a dated cabin might not matter much if the itinerary is amazing and the price is low.
But in 2026, expectations are higher than ever.
The safest advice is simple: don’t book any cruise ship just because the price looks good.
Check recent reviews, look at real passenger photos, compare the ship with newer options from the same cruise line, and make sure the vibe actually matches the vacation you want.
Plus, always know the Major Cruise Policy Changes Rolling Out in 2026
