Mariner of the Seas
Deck 3

Royal Caribbean Mariner of the Seas Deck 3

Deck 3 of Royal Caribbean Mariner of the Seas features 3 different cabin categories with a total of 80 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 4V - Outside
Category 4N - Inside

Deck Layout & Details

Deck 3 Overview

Outside Cabins

40 cabins on this deck

4P20 cabins - Ocean View
4V20 cabins - Ocean View

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

Inside Cabins

40 cabins on this deck

4N40 cabins - Standard Interior

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

Cabin Size Extremes

Largest Cabins by Category

Outside

Cabin 3620

Category 4P

+0%

above average

Inside

Cabin 3552

Category 4N

+35%

above average

Smallest Cabins by Category

Outside

Cabin 3724

Category 4P

-1%

below average

Inside

Cabin 3700

Category 4N

+30%

above average

Interactive Deck Plan

Click any cabin to view details

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Cruises on Royal Caribbean Mariner of the Seas

LOWEST PRICE EVER
17 Night New Orleans to Barcelona cruise
April 24, 2027
Royal Caribbean Mariner of the Seas
S M L XL
New Orleans → Miami → Casablanca → Tangier → Seville → Malaga → Barcelona
$899
$53 per day
Inside
PRICE RISING
7 Night New Orleans to New Orleans cruise
January 16, 2027
7 Night Western Caribbean Cruise
CruiseScore™ (4.53/5)
Royal Caribbean Mariner of the Seas
S M L XL
New Orleans → Cozumel → Georgetown → Falmouth → New Orleans
$540
$77 per day
Inside
LOWEST PRICE EVER
5 Night Galveston to Galveston cruise
September 5, 2026
5 Night Western Caribbean Cruise
CruiseScore™ (4.22/5)
Royal Caribbean Mariner of the Seas
S M L XL
Galveston → Costa Maya → Cozumel → Galveston
$398
$80 per day
Inside
PRICE RISING
7 Night New Orleans to New Orleans cruise
November 28, 2026
7 Night Western Caribbean Cruise
CruiseScore™ (4.59/5)
Royal Caribbean Mariner of the Seas
S M L XL
New Orleans → Cozumel → Georgetown → Falmouth → New Orleans
$561
$80 per day
Inside
5 Night Galveston to Galveston cruise
September 14, 2026
5 Night Western Caribbean Cruise
CruiseScore™ (4.37/5)
Royal Caribbean Mariner of the Seas
S M L XL
Galveston → Costa Maya → Cozumel → Galveston
$419
$84 per day
Inside
PRICE RISING
7 Night New Orleans to New Orleans cruise
January 23, 2027
7 Night Western Caribbean Cruise
CruiseScore™ (4.34/5)
Royal Caribbean Mariner of the Seas
S M L XL
New Orleans → Cozumel → Georgetown → Falmouth → New Orleans
$577
$82 per day
Inside
PRICE DROP
5 Night Galveston to Galveston cruise
September 19, 2026
5 Night Western Caribbean Cruise
CruiseScore™ (4.37/5)
Royal Caribbean Mariner of the Seas
S M L XL
Galveston → Costa Maya → Cozumel → Galveston
$423
$85 per day
Inside
5 Night Galveston to Galveston cruise
October 17, 2026
5 Night Western Caribbean Cruise
CruiseScore™ (4.41/5)
Royal Caribbean Mariner of the Seas
S M L XL
Galveston → Costa Maya → Cozumel → Galveston
$416
$83 per day
Inside
PRICE DROP
5 Night Galveston to Galveston cruise
October 3, 2026
5 Night Western Caribbean Cruise
CruiseScore™ (4.43/5)
Royal Caribbean Mariner of the Seas
S M L XL
Galveston → Costa Maya → Cozumel → Galveston
$426
$85 per day
Inside
PRICE RISING
6 Night New Orleans to New Orleans cruise
November 1, 2026
6 Night Western Caribbean Cruise
CruiseScore™ (4.30/5)
Royal Caribbean Mariner of the Seas
S M L XL
New Orleans → Costa Maya → Belize City → Cozumel → New Orleans
$593
$99 per day
Outside
View All Royal Caribbean Mariner of the Seas Cruises

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