Fleet / Costa Diadema

Costa Diadema

Discover Costa Diadema through Italian-inspired atmosphere, generous public spaces, and a wide range of dining, leisure, and social experiences designed for lively days and memorable evenings at sea.

756 Balcony cabins

11 Swimming pools and hot tubs

8 Restaurants and snack bars

11 Bars and lounges

Costa Diadema Italian style, lively social spaces, and a relaxed “dolce vita” atmosphere from day to night.

Overview

Costa Diadema brings together Italian character, spacious public areas, and a broad range of onboard experiences in a ship designed for guests who enjoy variety throughout the journey. From dining and entertainment to more relaxed moments at sea, the ship offers a lively and well-balanced cruise atmosphere shaped by comfort, style, and sociable energy.

Italian-inspired “dolce vita” atmosphere

Strong choice of restaurants and social venues

A broad balcony cabin offering

A lively day-to-night onboard rhythm

Highlights

The standout features of Costa Diadema

Explore the elements that define the ship’s identity and shape a cruise experience built around variety, comfort, and sociable energy.

Balcony-Focused Comfort

With a strong balcony cabin selection, Costa Diadema offers more opportunities for private outdoor moments and a closer connection to the sea.

Dining Variety

Restaurants and snack venues create a broader onboard dining experience, giving guests more choice throughout the day.

Bars & Social Life

Bars and lounges help shape a more vibrant atmosphere on board, making Costa Diadema feel lively, relaxed, and social from morning to night.

Leisure & Pool Experience

Multiple pools and hot tubs add a stronger sense of leisure, giving guests more ways to unwind and enjoy time at sea.

Signature Venues

Costa Diadema stands out with venues such as Carlsberg Country Rock Club, Teppanyaki Restaurant, Pummid'Oro Pizzeria, Gelateria Amarillo, and Aperol Spritz Bar.

Italian Lifestyle Feel

The ship reflects an easy and stylish Italian holiday spirit, combining comfort, sea views, and a more carefree onboard rhythm.

Cabins

Cabin categories for different travel expectations

Choose the accommodation style that best matches the way you want to experience Costa Diadema.

Interior

A practical and comfortable option for guests who prefer a simpler accommodation style while enjoying the full range of onboard experiences.

Sea View

A bright and welcoming choice for guests who want natural light and a stronger visual connection to the sea throughout the journey.

Balcony

Ideal for guests who value private outdoor space and want to enjoy sea views in a more personal and more memorable way.

Suite

Designed for a more elevated stay, suites offer added comfort, more generous space, and a more premium onboard atmosphere.

Onboard Life

Dining, leisure, and social life on board

Discover the spaces and experiences that shape everyday life on Costa Diadema.

Dining & Social Spaces

Costa Diadema combines restaurants, snack venues, bars, and lounge areas in a way that creates a more sociable and more varied onboard atmosphere throughout the day.

8 restaurants and snack bars
11 bars and lounges
Signature venues including Carlsberg Country Rock Club and Pummid'Oro Pizzeria

Leisure & Relaxation

Pools, hot tubs, and open leisure areas help shape a relaxed but lively ship rhythm, balancing social moments with opportunities to unwind.

11 swimming pools and hot tubs
Relaxed and lively public spaces
A smoother day-to-night onboard experience

Cruise Inspiration

Travel styles that match the ship

Explore the kinds of cruise experiences that best reflect the atmosphere and venue variety of Costa Diadema.

Cruise Style

Northern Europe & Fjords

A strong choice for guests who enjoy scenic sailing, fresh-air cruising, and a comfortable ship atmosphere between striking destinations.

Atmosphere: Scenic and refreshing Ideal For: Nature-focused travel Experience: Fjords and northern coasts

Cruise Style

Western Mediterranean

Well suited to guests looking for iconic ports, relaxed sea days, and a more social holiday rhythm on board.

Atmosphere: Lively and varied Ideal For: City and sea balance Experience: Classic Mediterranean cruising

Cruise Style

Longer Holidays at Sea

A good match for guests who want more time to enjoy the ship itself, making the most of its dining, leisure, and social spaces.

Atmosphere: Relaxed and immersive Ideal For: More time on board Experience: Extended holiday feel

At a Glance

Key ship highlights in one view

A quick summary of the features that help define the Costa Diadema experience.

Balcony Cabins 756

Pools & Hot Tubs 11

Restaurants & Snack Bars 8

Bars & Lounges 11

Ship Character Italian & Social

Cruise Mood Relaxed Dolce Vita

V4.1607