Spots going fast4 Night Bahamas & Perfect Day Cruise
Royal Caribbean • Harmony of the Seas
Sep 15, 2026 · 4 nights
Caribbean
$347/person$87/night
View Deal →Harmony of the Seas vs Star of the Seas
Side-by-side cruise ship comparison · Updated April 2026
Star of the Seas is the larger vessel at 250,800 GT, 11% more than Harmony of the Seas's 226,963 GT. Built in 2025, Star of the Seas is 9 years newer, an advantage for travellers seeking modern amenities and design. Star of the Seas accommodates 913 more guests (7,600 vs 6,687), making it the larger resort-at-sea. Harmony of the Seas trades capacity for a more intimate atmosphere.
Score: 2 – 5
Quick Compare
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Category
Harmony of the Seas
Star of the Seas
Size
226,963 GT
250,800 GT
Passengers
6,687
7,600
Year Built
2016
2025
Crew Ratio
1:3.2
1:3.2
Space Ratio
33.9
33.0
Decks
—
—
Length
362m
365m
From Price
$346.56/pp
$971.67/pp
Comparison Verdict
Star of the Seas is the larger vessel at 250,800 GT, 11% more than Harmony of the Seas's 226,963 GT. Built in 2025, Star of the Seas is 9 years newer, an advantage for travellers seeking modern amenities and design. Star of the Seas accommodates 913 more guests (7,600 vs 6,687), making it the larger resort-at-sea. Harmony of the Seas trades capacity for a more intimate atmosphere.
| Category | Winner |
|---|---|
| Size | Star of the Seas |
| Capacity | Star of the Seas |
| Modernity | Star of the Seas |
| Service | Harmony of the Seas |
| Spaciousness | Harmony of the Seas |
| Decks | Tie |
| Length | Star of the Seas |
| Fleet Power | Star of the Seas |
Bottom line: Star of the Seas leads 5–2 across our categories, strongest in Size. Choose Star of the Seas for overall superiority; pick Harmony of the Seas if Service matter more to you.
Which Ship Is Right for You?
Choose Harmony of the Seas if...
- Better service ratio (3.2:1 crew ratio)
- More space per guest (33.9 GT/pax)
- Save $625.11/person on sailings
Choose Star of the Seas if...
- You want the newer ship (built 2025, 9yr newer)
- Size matters to you (250,800 GT)
- More onboard variety (7,600 guests)
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Deep Dive
Upcoming Sailings
Upcoming Sailings on Harmony of the Seas
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Frequently Asked Questions
How is the comparison score calculated?
We compute scores across 8 categories using real spec data: gross tonnage, passenger capacity, crew capacity, year built, length, deck count, space ratio, and fleet power. Each category awards one point to the winning ship.
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; mass-market ships often fall in the 30-40 range.
What does the passenger-to-crew ratio mean?
Passengers per crew member. Lower is better, more staff per guest means better service. Luxury lines aim below 2:1; large mainstream ships may be 3-4:1.
Are the prices shown accurate?
Prices are sourced from Cruisebound and reflect real-time availability. They may change based on cabin type, date, and demand. Click through to see the latest fares.
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+ vessels, revalidated every 5 minutes via ISR. The "Updated" timestamp shows when records were last modified.
