Diadema
Deck 2

Costa Diadema Deck 2

Deck 2 of Costa Diadema features 5 different cabin categories with a total of 284 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.

In This Guide

Deck Layout & Details

Deck 2 Overview

Balcony Cabins

110 cabins on this deck

BC110 cabins - Sea Balcony Classic

Cabins with private outdoor space, perfect for enjoying ocean views and fresh sea air from the comfort of your stateroom.

Outside Cabins

62 cabins on this deck

EC19 cabins - Sea View
EP43 cabins - Sea View

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

Inside Cabins

112 cabins on this deck

IC95 cabins - Interior Classic
IP17 cabins - 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

Balcony

Cabin 2128

Category BC

+12%

vs. ship class average

Outside

Cabin 2287

Category EP

+48%

vs. ship class average

Inside

Cabin 2271

Category IC

+41%

vs. ship class average

Smallest Cabins by Category

Balcony

Cabin 2084

Category BC

+1%

vs. ship class average

Outside

Cabin 2266

Category EC

-21%

below ship class average

Inside

Cabin 2175

Category IC

-20%

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 2

BC · Sea Balcony Classic · 110 cabins

EC · Sea View · 19 cabins

EP · Sea View · 43 cabins

IC · Interior Classic · 95 cabins

IP · Interior · 17 cabins

Cruises on Costa Diadema

6 Night Savona to Lisbon cruise
November 2, 2026
Costa Diadema
S M L XL
Savona → Barcelona → Malaga → Cadiz → Lisbon
$531
$89 per day
Balcony
LOWEST PRICE EVER
2 Night Barcelona to Savona cruise
October 31, 2026
Costa Diadema
S M L XL
Barcelona → Marseille → Savona
$148
$74 per day
Inside
LOWEST PRICE EVER
3 Night Marseille to Barcelona cruise
October 28, 2026
Costa Diadema
S M L XL
Marseille → Savona → Barcelona
$228
$76 per day
Inside
LOWEST PRICE EVER
2 Night Savona to Barcelona cruise
October 29, 2026
Costa Diadema
S M L XL
Savona → Barcelona
$163
$82 per day
Inside
9 Night Savona to Tenerife cruise
November 2, 2026
Costa Diadema
S M L XL
Savona → Barcelona → Malaga → Cadiz → Lisbon → Las Palmas → Tenerife
$740
$82 per day
Inside
LOWEST PRICE EVER
11 Night Tenerife to Rio de Janeiro cruise
November 11, 2026
Costa Diadema
S M L XL
Tenerife → Mindelo → Maceió → Salvador → Rio de Janeiro
$882
$80 per day
Inside
4 Night Savona to Savona cruise
October 29, 2026
Costa Diadema
S M L XL
Savona → Barcelona → Marseille → Savona
$410
$103 per day
Inside
21 Night Marseille to Rio de Janeiro cruise
November 1, 2026
Costa Diadema
S M L XL
Marseille → Savona → Barcelona → Malaga → Cadiz → Lisbon → Las Palmas → Tenerife → Mindelo → Maceió → Salvador → Rio de Janeiro
$1,843
$88 per day
Inside
20 Night Savona to Rio de Janeiro cruise
November 2, 2026
Costa Diadema
S M L XL
Savona → Barcelona → Malaga → Cadiz → Lisbon → Las Palmas → Tenerife → Mindelo → Maceió → Salvador → Rio de Janeiro
$1,777
$89 per day
Inside
24 Night Marseille to Itajai cruise
November 1, 2026
Costa Diadema
S M L XL
Marseille → Savona → Barcelona → Malaga → Cadiz → Lisbon → Las Palmas → Tenerife → Mindelo → Maceió → Salvador → Rio de Janeiro → Sao Paulo → Itajai
$2,147
$89 per day
Inside
View All Costa Diadema Cruises

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