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 79 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 4N - Inside
Deck Layout & Details
Deck 3 Overview
Outside Cabins
20 cabins on this deck
4P20 cabins - Ocean View
Cabins with windows or portholes providing natural light and ocean views, offering a connection to the sea.
Inside Cabins
59 cabins on this deck
4N40 cabins - Standard Interior
4V19 cabins - Standard 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
Outside
Cabin 3620
Category 4P+0%
vs. ship class average
Inside
Cabin 3001
Category 4V+42%
vs. ship class average
Smallest Cabins by Category
Outside
Cabin 3724
Category 4P-1%
below ship class average
Inside
Cabin 3700
Category 4N+27%
vs. ship class average
Interactive Deck Plan
Click any cabin to view details
Loading deck plan...
Cruises on Royal Caribbean Mariner of the Seas
November 14, 2026
7 Night Western Caribbean Cruise
CruiseScore™ (4.55/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
New Orleans
→
Cozumel
→
Georgetown
→
Falmouth, Jamaica
→
New Orleans
Inside
December 5, 2026
7 Night Western Caribbean Cruise
CruiseScore™ (4.60/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
New Orleans
→
Cozumel
→
Georgetown
→
Ocho Rios
→
New Orleans
Inside
October 21, 2027
14 Night Spain & Bermuda Transatlantic
CruiseScore™ (4.42/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
Barcelona
→
Cartagena, Spain
→
Gibraltar
→
King's Wharf
→
New Orleans
Outside
January 9, 2027
7 Night Western Caribbean Cruise
CruiseScore™ (4.61/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
New Orleans
→
Cozumel
→
Georgetown
→
Falmouth, Jamaica
→
New Orleans
Inside
January 30, 2027
7 Night Western Caribbean Cruise
CruiseScore™ (4.45/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
New Orleans
→
Falmouth, Jamaica
→
Georgetown
→
Cozumel
→
New Orleans
Inside
January 23, 2027
7 Night Western Caribbean Cruise
CruiseScore™ (4.38/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
New Orleans
→
Cozumel
→
Georgetown
→
Falmouth, Jamaica
→
New Orleans
Inside
December 12, 2026
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
November 28, 2026
7 Night Western Caribbean Cruise
CruiseScore™ (4.48/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
New Orleans
→
Cozumel
→
Georgetown
→
Falmouth, Jamaica
→
New Orleans
Inside
January 16, 2027
7 Night Western Caribbean Cruise
CruiseScore™ (4.45/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
New Orleans
→
Cozumel
→
Georgetown
→
Falmouth, Jamaica
→
New Orleans
Inside
PRICE DROP
November 7, 2026
7 Night Western Caribbean Cruise
CruiseScore™ (4.54/5)
Royal Caribbean Mariner of the Seas
S
M
L
XL
New Orleans
→
Cozumel
→
Georgetown
→
Falmouth, Jamaica
→
New Orleans
Inside
