Quantum of the Seas
Deck 12

Royal Caribbean Quantum of the Seas Deck 12

Deck 12 of Royal Caribbean Quantum of the Seas features 12 different cabin categories with a total of 255 staterooms. This deck has cabins both above and below, making it generally quieter than decks adjacent to public areas. 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 2D - Balcony

Deck Layout & Details

Deck 12 Overview

Suite Cabins

22 cabins on this deck

GS8 cabins - Grand Suite, 1-bedroom
J12 cabins - Junior Suite
J44 cabins - Junior Suite
OS8 cabins - Owner's Suite, standard

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

Balcony Cabins

184 cabins on this deck

2D87 cabins - Balcony, good location
2G12 cabins - Balcony
4D48 cabins - Standard Balcony
5D21 cabins - Standard Balcony
CB16 cabins - Central Park Balcony

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

Outside Cabins

30 cabins on this deck

4C30 cabins - Ocean View with Large Balcony

Cabins with windows or portholes providing natural light and ocean views, offering a connection to the sea.

Inside Cabins

19 cabins on this deck

2S2 cabins - Interior
4U17 cabins - Virtual Balcony 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 12234

Category OS

+61%

vs. ship class average

Balcony

Cabin 12714

Category 4D

+4%

vs. ship class average

Outside

Cabin 12290

Category 4C

-1%

vs. ship class average

Inside

Cabin 12303

Category 4U

+6%

vs. ship class average

Smallest Cabins by Category

Suite

Cabin 12236

Category J4

-19%

below ship class average

Balcony

Cabin 12550

Category 2D

-2%

below ship class average

Outside

Cabin 12177

Category 4C

-3%

below ship class average

Inside

Cabin 12630

Category 2S

-46%

below ship class average

Interactive Deck Plan

Click any cabin to view details

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Cruises on Royal Caribbean Quantum of the Seas

14 Night Seattle to Tokyo cruise
September 27, 2027
14 Night Seattle to Tokyo Cruise
CruiseScore™ (4.38/5)
Royal Caribbean Quantum of the Seas
S M L XL
Seattle → Hakodate → Akita → Sapporo → Tokyo
$1,309
$94 per day
Inside
7 Night Seattle to Seattle cruise
May 10, 2027
7 Night Alaska Experience Cruise
CruiseScore™ (4.31/5)
Royal Caribbean Quantum of the Seas
S M L XL
Seattle → Sitka → Skagway → Juneau → Victoria, BC → Seattle
$786
$112 per day
Inside
3 Night Singapore to Singapore cruise
February 1, 2028
3 Night Penang Cruise
CruiseScore™ (4.41/5)
Royal Caribbean Quantum of the Seas
S M L XL
Singapore → Penang → Singapore
$509
$170 per day
Suite
LOWEST PRICE EVER
7 Night Seattle to Seattle cruise
May 24, 2027
7 Night Alaska Experience Cruise
CruiseScore™ (4.41/5)
Royal Caribbean Quantum of the Seas
S M L XL
Seattle → Sitka → Skagway → Juneau → Victoria, BC → Seattle
$829
$118 per day
Inside
3 Night Singapore to Singapore cruise
October 25, 2027
3 Night Penang Cruise
CruiseScore™ (4.31/5)
Royal Caribbean Quantum of the Seas
S M L XL
Singapore → Penang → Singapore
$397
$132 per day
Balcony
7 Night Seattle to Seattle cruise
May 3, 2027
7 Night Alaska Experience Cruise
CruiseScore™ (4.16/5)
Royal Caribbean Quantum of the Seas
S M L XL
Seattle → Sitka → Skagway → Juneau → Victoria, BC → Seattle
$843
$120 per day
Inside
3 Night Singapore to Singapore cruise
November 1, 2027
3 Night Penang Cruise
CruiseScore™ (4.23/5)
Royal Caribbean Quantum of the Seas
S M L XL
Singapore → Penang → Singapore
$332
$111 per day
Inside
7 Night Seattle to Seattle cruise
May 17, 2027
7 Night Alaska Experience Cruise
CruiseScore™ (4.41/5)
Royal Caribbean Quantum of the Seas
S M L XL
Seattle → Sitka → Skagway → Juneau → Victoria, BC → Seattle
$929
$133 per day
Outside
4 Night Singapore to Singapore cruise
February 8, 2028
4 Night Penang & Phuket Cruise
CruiseScore™ (4.31/5)
Royal Caribbean Quantum of the Seas
S M L XL
Singapore → Penang → Phuket → Singapore
$456
$114 per day
Inside
4 Night Singapore to Singapore cruise
January 17, 2028
4 Night Penang & Phuket Cruise
CruiseScore™ (4.28/5)
Royal Caribbean Quantum of the Seas
S M L XL
Singapore → Penang → Phuket → Singapore
$457
$114 per day
Inside

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