MSC Seaside Deck 18
Deck 18 of MSC Seaside features 2 different cabin categories with a total of 41 staterooms. This deck has public areas both above and below, which may result in additional noise during busy times. 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.
In This Guide
Deck Layout & Details
Deck 18 Overview
Suite Cabins
41 cabins on this deck
YCDXSU36 cabins - MSC Yacht Club Deluxe Suite
YCINSU5 cabins - MSC Yacht Club Interior Suite
The most spacious and luxurious accommodations, often featuring separate living areas, premium amenities, and enhanced services.
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 18024
Category YCDXSU+27%
vs. ship class average
Smallest Cabins by Category
Suite
Cabin 18023
Category YCINSU-30%
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 18
YCDXSU · MSC Yacht Club Deluxe Suite · 36 cabins
Cruises on MSC Seaside
October 19, 2026
4 Night Caribbean & Antilles Cruise
CruiseScore™ (3.74/5)
MSC Seaside
S
M
L
XL
Miami
→
Nassau
→
Ocean Cay
→
Miami
Inside
October 26, 2026
4 Night Caribbean & Antilles Cruise
CruiseScore™ (3.71/5)
MSC Seaside
S
M
L
XL
Miami
→
Nassau
→
Ocean Cay
→
Miami
Inside
November 2, 2026
4 Night Caribbean & Antilles Cruise
CruiseScore™ (3.76/5)
MSC Seaside
S
M
L
XL
Miami
→
Nassau
→
Ocean Cay
→
Miami
Inside
LOWEST PRICE EVER
November 30, 2026
4 Night Caribbean & Antilles Cruise
CruiseScore™ (3.89/5)
MSC Seaside
S
M
L
XL
Miami
→
Nassau
→
Ocean Cay
→
Miami
Inside
November 9, 2026
4 Night Caribbean & Antilles Cruise
CruiseScore™ (3.89/5)
MSC Seaside
S
M
L
XL
Miami
→
Nassau
→
Ocean Cay
→
Miami
Outside
LOWEST PRICE EVER
November 16, 2026
4 Night Caribbean & Antilles Cruise
CruiseScore™ (3.89/5)
MSC Seaside
S
M
L
XL
Miami
→
Nassau
→
Ocean Cay
→
Miami
Inside
December 14, 2026
4 Night Caribbean & Antilles Cruise
CruiseScore™ (3.89/5)
MSC Seaside
S
M
L
XL
Miami
→
Nassau
→
Ocean Cay
→
Miami
Inside
December 7, 2026
4 Night Caribbean & Antilles Cruise
CruiseScore™ (3.89/5)
MSC Seaside
S
M
L
XL
Miami
→
Nassau
→
Ocean Cay
→
Miami
Inside
LOWEST PRICE EVER
November 30, 2026
7 Night Caribbean & Antilles Cruise
CruiseScore™ (3.94/5)
MSC Seaside
S
M
L
XL
Miami
→
Nassau
→
Ocean Cay
→
Miami
→
Nassau
→
Ocean Cay
→
Miami
Inside
January 11, 2027
4 Night Caribbean & Antilles Cruise
CruiseScore™ (3.89/5)
MSC Seaside
S
M
L
XL
Miami
→
Nassau
→
Ocean Cay
→
Miami
Inside
