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
PRICE DROP
December 12, 2026
7 Night Western Caribbean Cruise
CruiseScore™ (4.67/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
New Orleans
→
Cozumel
→
Georgetown
→
Falmouth, Jamaica
→
New Orleans
Inside
Inside
LOWEST PRICE EVER
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
Inside
Inside
LOWEST PRICE EVER
September 28, 2026
5 Night Western Caribbean Cruise
CruiseScore™ (4.50/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
Galveston
→
Costa Maya
→
Cozumel
→
Galveston
Inside
Inside
PRICE DROP
December 5, 2026
7 Night Western Caribbean Cruise
CruiseScore™ (4.55/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
New Orleans
→
Cozumel
→
Georgetown
→
Ocho Rios
→
New Orleans
Inside
Inside
November 14, 2026
7 Night Western Caribbean Cruise
CruiseScore™ (4.37/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
New Orleans
→
Cozumel
→
Georgetown
→
Falmouth, Jamaica
→
New Orleans
Inside
Inside
LOWEST PRICE EVER
January 9, 2027
7 Night Western Caribbean Cruise
CruiseScore™ (4.42/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
New Orleans
→
Cozumel
→
Georgetown
→
Falmouth, Jamaica
→
New Orleans
Inside
Inside
January 16, 2027
7 Night Western Caribbean Cruise
CruiseScore™ (4.37/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
New Orleans
→
Cozumel
→
Georgetown
→
Falmouth, Jamaica
→
New Orleans
Inside
Inside
PRICE DROP
November 28, 2026
7 Night Western Caribbean Cruise
CruiseScore™ (4.50/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
New Orleans
→
Cozumel
→
Georgetown
→
Falmouth, Jamaica
→
New Orleans
Inside
Inside
PRICE RISING
November 7, 2026
7 Night Western Caribbean Cruise
CruiseScore™ (4.53/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
New Orleans
→
Cozumel
→
Georgetown
→
Falmouth, Jamaica
→
New Orleans
Inside
Inside
PRICE RISING
November 1, 2026
6 Night Western Caribbean Cruise
CruiseScore™ (4.31/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
New Orleans
→
Costa Maya
→
Belize City
→
Cozumel
→
New Orleans
Inside
Inside
