Harmony of the Seas
Deck 12

Royal Caribbean Harmony of the Seas Deck 12

Deck 12 of Royal Caribbean Harmony of the Seas features 12 different cabin categories with a total of 353 staterooms. The deck above contains public areas, which may result in noise from above. This interactive deck plan allows you to explore each cabin's location, size, and category. Click on any cabin in the deck plan below to view detailed information about that specific stateroom.
Category GS - Suite
Category 4D - Balcony

Deck Layout & Details

Deck 12 Overview

Suite Cabins

43 cabins on this deck

A32 cabins - Spacious AquaTheater Suite
GS24 cabins - Grand Suite, 1-bedroom
J48 cabins - Junior Suite
OS8 cabins - Owner's Suite, standard
VS1 cabins - Villa Suite, 4-bedroom

The most spacious and luxurious accommodations, often featuring separate living areas, premium amenities, and enhanced services.

Balcony Cabins

282 cabins on this deck

2D48 cabins - Balcony, good location
2G14 cabins - Balcony
2I38 cabins - Boardwalk View Balcony - Accessible
2J70 cabins - Central Park View Balcony - Accessible
4D72 cabins - Standard Balcony
CB40 cabins - Central Park Balcony

Cabins with private outdoor space, perfect for enjoying ocean views and fresh sea air from the comfort of your stateroom.

Inside Cabins

28 cabins on this deck

4V28 cabins - Standard Interior

Interior cabins without windows, typically the most affordable option while still providing comfortable accommodations.

Cabin Size Extremes

Sizes compare with all measured cabins in the same broad class on this ship. Royal Caribbean and Celebrity comparisons use deck-plan footprints; Princess uses reported square footage. Cabins without measurements are excluded.

Largest Cabins by Category

Suite

Cabin 12640

Category VS

+188%

vs. ship class average

Balcony

Cabin 12170

Category 2D

+50%

vs. ship class average

Inside

Cabin 12545

Category 4V

+1%

vs. ship class average

Smallest Cabins by Category

Suite

Cabin 12236

Category J4

-29%

below ship class average

Balcony

Cabin 12146

Category 4D

-9%

below ship class average

Inside

Cabin 12275

Category 4V

-16%

below ship class average

Interactive Deck Plan

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Cruises on Royal Caribbean Harmony of the Seas

LOWEST PRICE EVER
5 Night Port Canaveral to Port Canaveral cruise
October 31, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Port Canaveral → Nassau → CocoCay → Port Canaveral
$448
$90 per day
Balcony
5 Night Port Canaveral to Port Canaveral cruise
October 24, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Port Canaveral → CocoCay → Nassau → Port Canaveral
$458
$92 per day
Balcony
TRENDING
4 Night Port Canaveral to Port Canaveral cruise
October 13, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Port Canaveral → CocoCay → Nassau → Port Canaveral
$417
$104 per day
Balcony
LOWEST PRICE EVER
5 Night Port Canaveral to Port Canaveral cruise
January 23, 2027
Royal Caribbean Harmony of the Seas
S M L XL
Port Canaveral → CocoCay → Nassau → Port Canaveral
$405
$81 per day
Inside
5 Night Port Canaveral to Port Canaveral cruise
November 5, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Port Canaveral → Nassau → CocoCay → Port Canaveral
$508
$102 per day
Inside
4 Night Port Canaveral to Port Canaveral cruise
February 2, 2027
Royal Caribbean Harmony of the Seas
S M L XL
Port Canaveral → CocoCay → Nassau → Port Canaveral
$396
$99 per day
Inside
7 Night Port Canaveral to Port Canaveral cruise
November 14, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Port Canaveral → St. Thomas → CocoCay → Nassau → Port Canaveral
$748
$107 per day
Inside
TRENDING
5 Night Port Canaveral to Port Canaveral cruise
October 8, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Port Canaveral → Nassau → CocoCay → Port Canaveral
$648
$130 per day
Outside
5 Night Port Canaveral to Port Canaveral cruise
February 25, 2027
Royal Caribbean Harmony of the Seas
S M L XL
Port Canaveral → CocoCay → Nassau → Port Canaveral
$540
$108 per day
Inside
7 Night Port Canaveral to Port Canaveral cruise
October 17, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Port Canaveral → St. Thomas → CocoCay → Nassau → Port Canaveral
$819
$117 per day
Inside
View All Royal Caribbean Harmony of the Seas Cruises

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