4 Night Western Caribbean Cruise
Royal Caribbean • Mariner of the Seas
Oct 26, 2026 · 4 nights
Caribbean
$1,260/person$315/night
View DealShip comparison
Mariner of the Seas vs MSC Seascape
Side-by-side cruise ship comparison. MSC Seascape wins 5 of 7 scored categories.
At a glance
Quick Compare
Category
Mariner of the Seas
MSC Seascape
Size
139,863 GT
169,400 GT
Passengers
3,807
5,632
Year built
2003
2022
Crew ratio
3.2 guests per crew
3.4 guests per crew
Space ratio
36.7 GT per guest
30.1 GT per guest
Decks
No data
No data
Length
311 m
339 m
From price
$397.55 pp
$265.79 pp
The verdict
Comparison Verdict
MSC Seascape is the significantly larger vessel at 169,400 GT, 21% more than Mariner of the Seas's 139,863 GT. Mariner of the Seas offers more personal space with a space ratio of 36.7 GT per passenger versus 30.1. Built in 2022, MSC Seascape is 19 years newer, an advantage for travelers seeking modern amenities and design.
| Category | Winner |
|---|---|
| Size | MSC Seascape |
| Capacity | MSC Seascape |
| Modernity | MSC Seascape |
| Service | Mariner of the Seas |
| Spaciousness | Mariner of the Seas |
| Decks | No data |
| Length | MSC Seascape |
| Fleet Power | MSC Seascape |
Bottom line: MSC Seascape leads 5–2 across our categories, strongest in Size. Choose MSC Seascape for overall superiority; pick Mariner of the Seas if Service matter more to you.
Decide
Which Ship Is Right for You?
Choose Mariner of the Seas if
- More crew per guest (3.2 guests per crew)
- More space per guest (36.7 GT per guest)
Choose MSC Seascape if
- You want the newer ship (built 2022, 19 years newer)
- Size matters to you (169,400 GT)
- More onboard variety (5,632 guests)
- Lower fares per night (from $38 per person per night)
Prices
See Current Prices
You have compared the ships. Now see what they cost.
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Fares
Sailing Prices
| Detail | Mariner of the Seas | MSC Seascape |
|---|---|---|
| Cheapest | $397.55 pp | $265.79 pp |
| Per night | $66 pp | $38 pp |
| Departing | Nov 1 | Nov 8 |
| Duration | 6 nights | 7 nights |
| View sailing | View sailing |
Prices from Cruisebound, per person, for the sailing shown.
Go deeper
Deep Dive
Sailings
Upcoming Sailings
Upcoming Sailings on Mariner of the Seas
6 Night Western Caribbean Cruise
Royal Caribbean • Mariner of the Seas
Nov 1, 2026 · 6 nights
Caribbean
$398/person$66/night
View Deal
$719/person$103/night
View DealUpcoming Sailings on MSC Seascape
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FAQ
Frequently Asked Questions
How is the comparison score calculated?
We score 8 categories from spec data: size, capacity, modernity, service, spaciousness, decks, length and fleet power. Each category awards one point to the winning ship. A category where either ship has no data is marked No data and left out of the score.
What is the space ratio and why does it matter?
Space ratio is gross tonnage divided by passenger capacity. A higher number means more space per guest. Luxury lines typically score above 40, and mass-market ships often fall between 30 and 40.
What does the passenger-to-crew ratio mean?
It is the number of guests for each crew member, shown as "3.0 guests per crew". Lower is better: more staff per guest usually means more attentive service. Luxury lines aim for fewer than 2 guests per crew, and large mainstream ships often carry 3 to 4.
Are the prices shown accurate?
Prices come from Cruisebound and are per person for the sailing shown. They change with cabin type, date and demand, so open the sailing to see the current fare.
Can I compare more than two ships?
Yes, up to four ships. Use the search tool on the compare hub page to add additional ships.
How current is the ship data?
Specifications come from our database of 380+ ships, and this page refreshes daily. An "Updated" date appears at the top when either ship's record changed in the last 30 days.
