Norwegian Sun leaves Miami on December 10 and is back eleven nights later. In between she calls at Harvest Caye, Cartagena, Puerto Limón, Falmouth, Colón, and Cozumel, and she spends one full day inside the Panama Canal.

She goes in through the Gatun locks, spends the day on Gatun Lake, and comes back out the way she came. Norwegian Cruise Line has twenty-one of these on the schedule between now and the end of 2027, and for a particular kind of traveler I think they're the best canal product the line sells. Not the cheapest — I'll get to that. But the one that fits the most lives.

Here's who I'm describing: someone who wants to see the locks, has ten days rather than three weeks, would rather fly round-trip than one-way twice, and likes a ship where you can find a deck chair.

The Canal Day

You get the full Atlantic-side lock operation. Three chambers at Gatun, lifting the ship eighty-five feet in stages, close enough to the concrete that you can watch the mules track alongside and see the gates swing. That lift is identical to what a crossing gets — the ships going all the way through do exactly this, then keep going.

What you don't do is exit on the Pacific. The ship spends the day on Gatun Lake and comes back down through the same locks. It's a full day, and it's the reason to take the sailing.

Round-Trip Is the Underrated Part

Every one of these starts and ends in Miami, and that's worth more than it sounds like.

You book one airfare instead of two. From Kansas City or Wichita, Miami is a single connection most days, and you're pricing a normal round-trip rather than two one-ways that don't talk to each other. If you want a night on either end, it's one hotel in one city, not a pre-cruise hotel in Los Angeles and a post-cruise hotel in Florida. If a flight goes sideways on the way home, you're solving it in an airport you already walked through.

Ten to twelve nights is also a length people can actually take. Two weeks of vacation covers it with room on both ends. Crossings run sixteen to twenty-two nights and land in a different ocean, which is a wonderful thing to do and a harder thing to schedule.

The Caribbean Around It

The canal day sits inside a genuinely good itinerary rather than a filler one.

Cartagena is on every single sailing, and it's the strongest port in the set — a walled colonial city you can spend a full day inside on foot. Puerto Limón is on all twenty-one as well. Then it fills out with Grand Cayman, Cozumel, Harvest Caye, Falmouth or Montego Bay, and Great Stirrup Cay. Some of the twelve-night versions run south instead, to Curaçao, Aruba, and the Dominican Republic — a different and less-traveled set of ports.

That's a real Caribbean cruise on its own terms. The canal is the headline, but you're not spending nine days at sea to earn it.

The Ships, and Why the Size Helps

These sail on the smaller end of the fleet, which suits the trip.

Norwegian Sun carries nearly all the near-term departures — sixteen of them, roughly every two weeks from November 2026 through April 2027. She's a Sun-class ship, 78,309 gross tons and 1,936 guests. I've sailed her.

Norwegian Jewel has one, December 9, 2027. Jewel-class, 93,502 tons, 2,376 guests. I've sailed her too, and I'd happily do this itinerary on her.

Norwegian Gem picks up the Miami round-trips in November 2027 — the ninth, nineteenth, and thirtieth, plus December 11. Gem is Jewel-class as well, 93,530 tons and 2,394 guests, so she's a bigger ship than Sun by about 458 guests, not a sister to her. I haven't sailed Gem, so I'll stop at the specifications.

Why size matters here more than it would on a beach week: the main event happens outside, over several hours, and everyone wants to see it. The ships running the crossings carry between 3,800 and 4,000 guests at double occupancy, and on those the good rail positions go early and the promenade gets tight. Under two thousand five hundred, there's room. That's the honest case for the older, smaller hulls on this particular itinerary — it's not nostalgia, it's deck space per guest on the one day everybody's on deck.

Sun has one more wrinkle worth knowing: this is her last Panama season. She leaves the fleet at the end of 2027 and her canal sailings finish in April. Gem takes the run from November 2027.

What It Costs, and Why

Balcony pricing from our own snapshots, dated July 26, and I'd expect movement:

Sun's December 10 sailing is about $1,979 for eleven nights, roughly $179 a night. Jewel's December 2027 sailing runs about $267 a night, Gem's about $268.

The crossings in October — Joy and Bliss, Los Angeles to Miami — run $136 and $141 a night. So per night, the crossings are cheaper, sometimes considerably.

The reason is structural and worth understanding, because it applies across the whole category. NCL has to move Joy and Bliss from Alaska to the Caribbean in the fall. Those sailings happen whether they sell well or not, so they're priced to fill. Nobody has to move Sun or Gem anywhere. The Miami round-trips are regular Caribbean inventory priced like regular Caribbean inventory, and the canal day doesn't come with a discount attached.

So you're paying a premium per night for the shorter length, the round-trip air, and the smaller ship. For most of my clients that's a trade worth making. For some it isn't, and those people should be looking at a crossing.

One thing to watch: holiday weeks price on their own logic. Sun's December 21 departure runs about $301 a night against $179 eleven days earlier — same ship, same ports, same canal. That's the calendar, not the product.

Two Different Costa Ricas

One detail worth knowing before you book, and it took reading all thirty-nine Panama itineraries side by side to notice.

The round-trips call at Puerto Limón, on the Caribbean coast. The crossings call at Puntarenas, on the Pacific. Same country, opposite oceans, and about as far apart as the two ports can be.

Neither is better. But they're different days in different places, and if you've done one you haven't done the other. Worth asking about before you assume a return visit covers the same ground.

How I'd Book It

Two things I'd do on a sailing like this, and they pull in opposite directions.

Book early for the stateroom. On smaller ships the categories that matter — the balconies on the right decks, anything aft — are a genuinely limited pool, and on an itinerary where people are outside all day, position gets picked over faster than it does on a beach week.

Then watch it around sixty days out. That's the window where NCL's pricing tends to move on sailings that haven't filled, and if it drops, that's a conversation worth having about what can be adjusted. It doesn't always drop. On a sailing that's selling well it goes the other way, and the December holiday departures are exactly the kind that firm up rather than soften. I'd rather tell you it cuts both directions than sell you a strategy that only works in one.

Where I'd Land

If you want the locks, have two weeks rather than three, and would rather not fly home from a coast you didn't leave from, book one of these. It's the right shape of trip for that set of wants, and it's a good cruise independent of the canal day.

If you've got the time and the flexibility, the crossings are cheaper per night and show you the Pacific side of Central America, and that's a genuinely different trip worth its own conversation.

Either way, the December Sun sailings and Jewel's December 2027 date are the ones I'd be looking at first.