Harmony of the Seas
Deck 12

Royal Caribbean Harmony of the Seas Deck 12

Deck 12 of Royal Caribbean Harmony of the Seas features 11 different cabin categories with a total of 356 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

48 cabins on this deck

GS24 cabins - Grand Suite, 1-bedroom
J48 cabins - Junior Suite
OS8 cabins - Owner's Suite, standard
VS8 cabins - Owner's Suite, standard

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

26 cabins on this deck

4V26 cabins - Standard Interior

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

Cabin Size Extremes

Largest Cabins by Category

Suite

Cabin 12240

Category OS

+58%

above average

Balcony

Cabin 12170

Category 2D

+50%

above average

Inside

Cabin 12545

Category 4V

+2%

above average

Smallest Cabins by Category

Suite

Cabin 12236

Category J4

-22%

below average

Balcony

Cabin 12146

Category 4D

-9%

below average

Inside

Cabin 12275

Category 4V

-16%

below average

Interactive Deck Plan

Click any cabin to view details

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Cruises on Royal Caribbean Harmony of the Seas

5 Night Princess Cays to Princess Cays cruise
October 24, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Princess Cays → CocoCay → Nassau → Princess Cays
$416
$83 per day
Inside
LOWEST PRICE EVER
7 Night Port Canaveral to Port Canaveral cruise
September 19, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Port Canaveral → St. Thomas → CocoCay → Nassau → Port Canaveral
$634
$91 per day
Inside
TRENDING
7 Night Port Canaveral to Port Canaveral cruise
August 22, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Port Canaveral → St. Thomas → CocoCay → Nassau → Port Canaveral
$834
$119 per day
Balcony
LOWEST PRICE EVER
5 Night Princess Cays to Princess Cays cruise
October 8, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Princess Cays → Nassau → CocoCay → Princess Cays
$448
$90 per day
Inside
PRICE RISING
5 Night Princess Cays to Princess Cays cruise
September 10, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Princess Cays → Nassau → CocoCay → Princess Cays
$568
$114 per day
Balcony
5 Night Princess Cays to Princess Cays cruise
October 31, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Princess Cays → Nassau → CocoCay → Princess Cays
$508
$102 per day
Outside
LOWEST PRICE EVER
5 Night Port Canaveral to Port Canaveral cruise
August 29, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Port Canaveral → CocoCay → Cozumel → Port Canaveral
$498
$100 per day
Inside
TRENDING
5 Night Port Canaveral to Port Canaveral cruise
September 5, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Port Canaveral → CocoCay → Cozumel → Port Canaveral
$538
$108 per day
Inside
PRICE RISING
5 Night Princess Cays to Princess Cays cruise
October 3, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Princess Cays → Nassau → CocoCay → Princess Cays
$486
$97 per day
Inside
5 Night Port Canaveral to Port Canaveral cruise
September 26, 2026
Royal Caribbean Harmony of the Seas
S M L XL
Port Canaveral → CocoCay → Cozumel → Port Canaveral
$598
$120 per day
Balcony
View All Royal Caribbean Harmony of the Seas Cruises

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