Costa Cruises
Costa Diadema
- Cruises
- 73
- From
- $490
Ship comparison
Costa Cruises
MSC Cruises
The verdict
Costa Diadema is a mega Costa Cruises ship carrying 4,947 passengers, in service since 2014. MSC Seashore is a mega MSC Cruises ship carrying 4,540 passengers, in service since 2021.
Choose Costa Diadema if you want more of a party, a more family-friendly ship or better-rated dining: it outscores MSC Seashore for party (7.0 vs 4.0), family friendly (8.0 vs 7.0) and dining (7.0 vs 6.0) in Cruiseable’s Bliss scores.
Choose MSC Seashore if you want a lower starting fare, a more active cruise or more space per passenger: it outscores Costa Diadema for active (8.0 vs 6.0) in Cruiseable’s Bliss scores, its cruises start from $179 (vs $490) and it has 37.3 gross tons per passenger (vs 26.8).
Side by side
marks the better figure where more, or less, is plainly better.
| Costa Diadema | MSC Seashore | |
|---|---|---|
| Cruise line | Costa Cruises | MSC Cruises |
| Ship size | Mega | Mega |
| Maiden voyagenewer highlighted | 2014 | 2021 (better) |
| Gross tonnage | 132,500 | 169,400 |
| Passengers | 4,947 | 4,540 |
| Crew | 1,253 | 1,648 |
| Passengers per crew memberfewer is better | 3.9 | 2.8 (better) |
| Space per passengergross tons per passenger; more is roomier | 26.8 | 37.3 (better) |
| Decks | 20 | 20 |
| Length | 1,004 ft | 1,112 ft |
| Beam | 122 ft | 134 ft |
| Speed | — | 25 mph |
| Cruiseable ratingout of 10 | 8 / 10 | 8 / 10 |
| Cruises on sale | 73 | 55 |
| Upcoming sailings | 143 | 314 |
| Cruise lengths | 2 to 27 nights | 2 to 22 nights |
| Fares fromlower highlighted | $490 | $179 (better) |
Bliss scores
Cruiseable rates ships out of 10 on ten parts of a cruise holiday. Costa Diadema leads on 4 of the ten, MSC Seashore on 2, with 4 level.
Costa Cruises
73 cruises on sale, from $490.
MSC Cruises
MSC Seashore launched in August 2021 as the latest in a line of mega-size smartships from MSC Cruises. The ship holds 4,540 passengers at double capacity and 5,179 people at maximum capacity.
55 cruises on sale, from $179.
Questions
MSC Seashore is bigger at 169,400 gross tons, against 132,500 gross tons for Costa Diadema. Costa Diadema carries 4,947 passengers and MSC Seashore carries 4,540.
MSC Seashore is newer, with a maiden voyage in 2021 against 2014 for Costa Diadema.
MSC Seashore, with 37.3 gross tons per passenger against 26.8 on Costa Diadema. The higher the figure, the more ship there is for each guest.
MSC Seashore, with one crew member for every 2.8 passengers against one for every 3.9 on Costa Diadema.
Costa Diadema scores higher for family friendliness in Cruiseable’s Bliss scores: 8.0 out of 10, against 7.0 for MSC Seashore.
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