Costa Cruises
Costa Diadema
- Cruises
- 103
- From
- $109
Ship comparison
Costa Diadema vs Costa Serena
Costa Cruises
Costa Serena
- Cruises
- 117
- From
- $301
The verdict
Which should you choose?
Costa Diadema is a mega Costa Cruises ship carrying 4,947 passengers, in service since 2012. Costa Serena is a large Costa Cruises ship carrying 3,700 passengers, in service since 2007.
Choose Costa Diadema if you want better-rated entertainment, a better-rated spa and gym or a more active cruise: it outscores Costa Serena for entertainment (8.0 vs 3.0), spa & fitness (6.0 vs 2.0) and active (6.0 vs 2.0) in Cruiseable’s Bliss scores.
Choose Costa Serena if you want more space per passenger or more crew per passenger: it has 30.9 gross tons per passenger (vs 26.8) and it has a crew member for every 3.4 passengers (vs 3.9).
Side by side
Specifications
marks the better figure where more, or less, is plainly better.
| Costa Diadema | Costa Serena | |
|---|---|---|
| Cruise line | Costa Cruises | Costa Cruises |
| Ship size | Mega | Large |
| Maiden voyagenewer highlighted | 2012 (better) | 2007 |
| Last refurbishedmore recent highlighted | — | 2015 |
| Gross tonnage | 132,500 | 114,500 |
| Passengers | 4,947 | 3,700 |
| Crew | 1,253 | 1,100 |
| Passengers per crew memberfewer is better | 3.9 | 3.4 (better) |
| Space per passengergross tons per passenger; more is roomier | 26.8 | 30.9 (better) |
| Decks | 20 | 14 |
| Length | 1,004 ft | 951 ft |
| Beam | 122 ft | 116 ft |
| Speed | — | 23 mph |
| Cruiseable ratingout of 10 | 8 / 10 (better) | 7 / 10 |
| Cruises on sale | 103 | 117 |
| Upcoming sailings | 188 | 200 |
| Cruise lengths | 1–27 nights | 2–66 nights |
| Fares fromlower highlighted | $109 (better) | $301 |
Bliss scores
How they rate, out of 10
Cruiseable rates ships out of 10 on ten parts of a cruise holiday. Costa Diadema leads on 10 of the ten, Costa Serena on 0.
- Active
- Adventure & nature
- Cultural
- Dining
- Entertainment
- Family friendly
- Party
- Romantic
- Spa & fitness
- Staterooms
Costa Cruises
Costa Diadema
Sailing now
103 cruises on sale, from $109.
Costa Cruises
Costa Serena
Costa Serena is a ship inspired by classical legends such as Jupiter, Apollo, Bacchus, Clio. Design featuring serene colors and inspired by Greek and Roman mythology create an unrivaled ambience on this Costa Cruises ship.
Sailing now
117 cruises on sale, from $301.
Questions
Costa Diadema or Costa Serena?
Which is bigger, Costa Diadema or Costa Serena?
Costa Diadema is bigger at 132,500 gross tons, against 114,500 gross tons for Costa Serena. Costa Diadema carries 4,947 passengers and Costa Serena carries 3,700.
Which ship is newer, Costa Diadema or Costa Serena?
Costa Diadema is newer, with a maiden voyage in 2012 against 2007 for Costa Serena.
Which has more space per passenger?
Costa Serena, with 30.9 gross tons per passenger against 26.8 on Costa Diadema. The higher the figure, the more ship there is for each guest.
Which has more crew per passenger?
Costa Serena, with one crew member for every 3.4 passengers against one for every 3.9 on Costa Diadema.
Which is better for families?
Costa Diadema scores higher for family friendliness in Cruiseable’s Bliss scores: 8.0 out of 10, against 5.0 for Costa Serena.
Still deciding?
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