Cruising as a Family of 5 or 6: How the Cabins Work and What It Really Costs
I'm Peter, a dad of four in Texas and a Fora travel advisor. There are six of us, so every cruise search I run for my own family starts with the same problem: the booking site asks how many guests, I type 6, and most of the cabins disappear.
This page explains why that happens, the ways a family of 5 or 6 actually books a cruise, and what it costs using real Carnival fares from Galveston (446 sailings, Nov 21, 2026 to Apr 30, 2029). Fares were checked on November 9, 2026.
The short answer
Plan on two cabins. For a typical 7-night Galveston sailing, a cabin for 4 is $2,060 and a cabin for 2 is $1,412, so a family of 6 comes to an estimated $3,472 in two inside cabins, taxes and port fees included. A family of 5 lands at an estimated $2,766 to $3,472, depending on how the fifth person is priced. Those two cabin fares are real. The totals are my addition, not a quote from Carnival.
Why most cabins stop at 4
A standard cruise cabin has two lower beds that push together, plus one or two extra berths: a sofa bed, or bunks that fold down from the ceiling or wall. That gets you to 3 or 4 people. The limit is not only about beds. Every cabin is tied to a set number of lifeboat seats, so the ship will not let you add a fifth person to a cabin rated for 4, even a baby in a crib.
Some ships do have a small number of cabins and suites that sleep 5. There are not many of them, and they tend to go first on school-break sailings. If one is open on your dates it is worth pricing, but I would not build a plan around finding one.
So for 5 or 6, the normal answer is two cabins. The good news is that it usually means two bathrooms, which with teenagers is worth real money.
The three ways to do two cabins
- • Connecting cabins. Two cabins with a door between them. This is what most families with younger kids want. You pay for two cabins; there is normally no extra charge for the door, but there are only so many connecting pairs on a ship, so they sell out early.
- • Side by side or across the hall. Same price logic, no door. It works well with older kids. An inside cabin across the hall from a balcony cabin is a common way to get a balcony for the family without paying for two.
- • One cabin for 4 and one for 2 (or 3 and 3, or 3 and 2). How you split matters for price, because the 3rd and 4th guest in a cabin pay less than the first two. Filling one cabin to 4 is usually the cheapest way to arrange the same people.
Cruise lines have age rules about which kids can be in a cabin without an adult, and younger kids generally need an adult in the same or a connecting cabin. I check that against your kids' ages before I send anything.
Want the real number for your family instead of an estimate? Tell me your dates and your kids' ages and I will price the actual cabins for 5 or 6 on your sailing. It is free, and the price is the same as booking direct.
Real fares by trip length
Carnival from Galveston, inside cabins, taxes & fees included, checked November 9, 2026. “Typical” is the middle price across every sailing of that length. These two columns are the real fares everything else on this page is built from.
| Length | Cabin for 4 (total) | Cabin for 2 (total) |
|---|---|---|
| 4 nights | $1,484 | $1,032 |
| 5 nights | $1,548 | $1,016 |
| 7 nights | $2,060 | $1,412 |
| 8 nights | $2,480 | $1,826 |
Notice how close the two columns are. On a typical 7-night sailing, four people in one cabin pay $2,060 and two people pay $1,412. The first two guests carry most of the fare. That one fact drives all of the math below.
Family of 6: the two-cabin math
Estimates, not quoted prices. Each figure adds together the typical fares from the table above. Inside cabins, taxes & fees included, gratuities not included.
| Length | Cabin for 4 + cabin for 2 (est.) | Three cabins for 2 (est.) |
|---|---|---|
| 4 nights | $2,516 | $3,096 |
| 5 nights | $2,564 | $3,048 |
| 7 nights | $3,472 | $4,236 |
| 8 nights | $4,306 | $5,478 |
For a 7-night trip, the 4 + 2 split works out to an estimated $3,472, or about $83 per person per night. Spreading the same six people across three cabins of two would run about $4,236, because then all six are paying a first-or-second-guest fare. A 3 + 3 split sits somewhere between the two. I can't put a number on it from this data, because Carnival's search was only run for 2 and 4 guests.
Connecting cabins use the same math. A connecting pair that sleeps 4 and 2 should price like the first column. What changes is availability, not the fare.
Family of 5: the awkward one
Estimates, not quoted prices, built from the same typical fares. Inside cabins, taxes & fees included, gratuities not included.
| Length | Low: cabin for 4 + one more guest at the 2-in-a-cabin fare (est.) | High: cabin for 4 + a whole second cabin for one guest (est.) |
|---|---|---|
| 4 nights | $2,000 | $2,516 |
| 5 nights | $2,056 | $2,564 |
| 7 nights | $2,766 | $3,472 |
| 8 nights | $3,393 | $4,306 |
Five is harder to price than six. A person alone in a cabin usually pays a single supplement, which can be as much as the full two-person fare for that cabin. That is the high column, and you will notice it is the same number as the family of 6. In other words, at the high end the fifth person costs what a fifth and sixth would. The low column assumes the fifth guest pays only one share of a two-person cabin, which is the floor.
In practice most families of 5 split 3 and 2, which should land between those two numbers. On a typical 5-night sailing that range is an estimated $2,056 to $2,564; on a 7-night it is $2,766 to $3,472. Where you fall inside it depends on the ship, the cabin types open on your date, and any offer running that week. This is the case where a real quote helps the most.
Season matters more than cabin layout
Real Carnival fares from Galveston for the cabin for 4: inside, all trip lengths, middle price per night for the whole cabin. Checked November 9, 2026. The file has no season breakdown for a second cabin, so these are the 4-guest cabin only.
September–October
$279/night
from $210/night · 48 sailings
January–February
$282/night
from $192/night · 90 sailings
Thanksgiving week
$278/night
from $133/night · 13 sailings
March (spring break)
$363/night
from $204/night · 52 sailings
June–July (summer)
$514/night
from $430/night · 60 sailings
Christmas–New Year
$549/night
from $291/night · 25 sailings
Thanksgiving week is the cheapest stretch for the cabin for 4, and Christmas–New Year runs about 97% more per night. A second cabin follows the same calendar, so a bigger family feels that swing twice. If your school calendar gives you any room, moving the week does more for the total than any cabin arrangement will.
Free 3rd, 4th and 5th guest offers
Several cruise lines run offers where the 3rd and 4th guest in a cabin, and sometimes the 5th, pay no cruise fare. For a family of 5 or 6 that can change which line is cheapest. Read the terms before you count on one: taxes, fees and port expenses still apply to every guest, the free guests have to be in the same cabin as two paying guests, and holiday and spring break sailings are often excluded.
These offers change week to week, so I don't type them into the article. The box below shows whatever is live right now that fits a family of 5, with its real end date. If no box appears, nothing that fits is running today.
What the fare doesn't include
- • Gratuities: $16 per person, per day (Carnival's published rate), added automatically. That is $560 for 5 people or $672 for 6 on a 7-night cruise. Kids are charged the same as adults.
- • Parking at the Port of Galveston, which a bigger family may need for a larger vehicle or two cars.
- • Drinks beyond water, tea and basic juice, wifi, specialty restaurants and shore excursions. Excursions are priced per person, so they add up fast with six.
For the one-cabin version of these numbers, see Galveston cruise prices for a family of 4. To compare lines on gratuities and kids' clubs, use the family cruise cost calculator.
How these numbers were built
On November 9, 2026 we ran Carnival's own cruise search for every sailing departing Galveston, once for 2 guests and once for 4 guests in one stateroom, and recorded the lowest inside price Carnival showed for each sailing. Carnival states these prices include taxes and fees. The search was not run for 5 or 6 guests. Every family-of-5 and family-of-6 figure on this page is an estimate made by adding the typical 4-guest cabin fare to the typical 2-guest fare for the same trip length. The two typical fares are each the middle of their own set of sailings, so a specific sailing will differ. Fares change daily and promotions come and go. Treat this as a realistic guide, not a quote. No cruise line paid to be on this page. If you book through me I may earn a commission from the cruise line; your price is the same.
Get it priced for your family
Send me your dates, the port you can drive or fly to, and your kids' ages. I will come back with the actual cabin options for your 5 or 6 on that sailing: one cabin if a 5-berth is open, connecting cabins if they are left, and the cheapest way to split if they are not. Any line, not only Carnival.