Side-by-side cruise ship comparison · Updated February 2026
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across 5 categories
Size
Based on gross tonnage and length
Capacity
Based on passengers and crew
Modernity
Based on year built
Service
Based on passenger-to-crew ratio (lower is better)
Spaciousness
Based on gross tonnage per passenger (higher is better)
Costa Firenze
Costa Serena
Gross Tonnage
Costa Firenze
135,225 GT
Costa Serena
114,500 GT
Length
Costa Firenze
323 m
Costa Serena
290 m
Beam
Costa Firenze
37 m
Costa Serena
35.5 m
Passengers
Costa Firenze
4,232
Costa Serena
3,780
Crew
Costa Firenze
1,400
Costa Serena
1,100
Decks
Costa Firenze
—
Costa Serena
14
Year Built
Costa Firenze
2,021
Costa Serena
2,007
Space Ratio
Costa Firenze
31.9 GT/pax
Costa Serena
30.3 GT/pax
Passenger:Crew Ratio
Costa Firenze
3.02 :1
Costa Serena
3.44 :1
| Specification | Costa Firenze | Costa Serena |
|---|---|---|
| Overview | ||
| Cruise Line | Costa Cruises | Costa Cruises |
| Class | Venezia Class | Concordia Class |
| Status | active | active |
| Year Built | 2,021Winner | 2,007 |
| Dimensions | ||
| Gross Tonnage | 135,225 GTWinner | 114,500 GT |
| Length | 323 mWinner | 290 m |
| Beam | 37 mWinner | |
| Capacity | ||
| Passengers | 4,232Winner | 3,780 |
| Crew | 1,400Winner | 1,100 |
| Key Ratios | ||
| Space Ratio | 31.9 GT/paxWinner | 30.3 GT/pax |
| Passenger:Crew Ratio | 3.02:1Winner | 3.44:1 |
| Build | ||
| Builder | Fincantieri | Fincantieri |
| Flag | Italy | Italy |
| IMO Number | 9765470 | Tf1ba6e887 |
Costa Firenze is the larger vessel at 135,225 GT — 18% more than Costa Serena's 114,500 GT. Built in 2021, Costa Firenze is 14 years newer — an advantage for travellers seeking modern amenities and design. Costa Firenze edges ahead in service with a passenger-to-crew ratio of 3.0:1, meaning more crew per guest.
| Category | Winner |
|---|---|
| Size | Costa Firenze |
| Capacity | Costa Firenze |
| Modernity | Costa Firenze |
| Service | Costa Firenze |
| Spaciousness | Costa Firenze |
Bottom line: Costa Firenze wins more categories (5 vs 0), making it the stronger all-round choice based on current data.
Costa Firenze
Built in 2021 with modern facilities — great for a first cruise
Large 4,232-guest capacity offers competitive pricing
4,232 passengers means tons of activities
Comfortable atmosphere for two
Costa Serena
Well-suited for cruise newcomers
Large 3,780-guest capacity offers competitive pricing
3,780 passengers means tons of activities
Comfortable atmosphere for two
Free cancellation on most rooms
Bundle & save on your cruise trip
Medical, trip cancellation & luggage cover
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35.5 m |
| Draft | — | 8.3 m |
| Decks | — | 14 |
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