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 235 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 J4 - Suite
Category 2D - Balcony

Deck Layout & Details

Deck 12 Overview

Suite Cabins

10 cabins on this deck

GS2 cabins - Grand Suite, 1-bedroom
J12 cabins - Junior Suite
J44 cabins - Junior Suite
OS2 cabins - Owner's Suite, standard

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

Balcony Cabins

176 cabins on this deck

2D87 cabins - Balcony, good location
2G12 cabins - Balcony
4D48 cabins - Standard Balcony
5D21 cabins - Standard Balcony
CB8 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, Celebrity, Carnival and Viking comparisons use deck-plan footprints; Princess uses reported square footage. Cabins without measurements are excluded.

Largest Cabins by Category

Suite

Cabin 12234

Category OS

+59%

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

-20%

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. Scroll the plan to explore — the bow is at the top.

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Cabins on Deck 12

GS · Grand Suite, 1-bedroom · 2 cabins

J1 · Junior Suite · 2 cabins

J4 · Junior Suite · 4 cabins

OS · Owner's Suite, standard · 2 cabins

CB · Central Park Balcony · 8 cabins

2S · Interior · 2 cabins

Cruises on Royal Caribbean Quantum of the Seas

14 Night Seattle to Tokyo cruise
September 27, 2027
14 Night Seattle to Tokyo Cruise
CruiseScore™ (4.18/5)
Royal Caribbean Quantum of the Seas
S M L XL
Seattle → Hakodate → Akita → Sapporo → Tokyo
$1,267
$91 per day
Balcony
7 Night Seattle to Seattle cruise
May 10, 2027
7 Night Alaska Experience Cruise
CruiseScore™ (4.28/5)
Royal Caribbean Quantum of the Seas
S M L XL
Seattle → Sitka → Skagway → Juneau → Victoria, BC → Seattle
$835
$119 per day
Inside
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
$919
$131 per day
Outside
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
$922
$132 per day
Outside
7 Night Seattle to Seattle cruise
September 6, 2027
7 Night Alaska Experience Cruise
CruiseScore™ (4.37/5)
Royal Caribbean Quantum of the Seas
S M L XL
Seattle → Sitka → Skagway → Juneau → Victoria, BC → Seattle
$929
$133 per day
Inside
7 Night Seattle to Seattle cruise
May 24, 2027
7 Night Alaska Experience Cruise
CruiseScore™ (4.38/5)
Royal Caribbean Quantum of the Seas
S M L XL
Seattle → Sitka → Skagway → Juneau → Victoria, BC → Seattle
$949
$136 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
$394
$131 per day
Inside
22 Night Brisbane to Seattle cruise
April 11, 2027
Royal Caribbean Quantum of the Seas
S M L XL
Brisbane → Papeete → Moorea → Raiatea → Honolulu → Seattle
$2,852
$130 per day
Outside
5 Night Singapore to Singapore cruise
March 19, 2028
Royal Caribbean Quantum of the Seas
S M L XL
Singapore → Penang → Phuket → Singapore
$636
$127 per day
Inside
4 Night Singapore to Singapore cruise
February 8, 2028
4 Night Penang & Phuket Cruise
CruiseScore™ (4.30/5)
Royal Caribbean Quantum of the Seas
S M L XL
Singapore → Penang → Phuket → Singapore
$519
$130 per day
Inside

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