A new jewel shines on the sea

Discover all the best of Italy on board the new “Regina del Mediterraneo”: from its cuisine to its hospitality, from its design to its entertainment, Costa Diadema offers a wealth of new ways to enjoy cruising. The Terrace on deck 5 - over 500 metres long - is lined with bars and restaurants that will make you feel like it's a summer's day on the Italian Riviera every day.

Costa means… a vacation for everyone

Couples, families, honeymooners, singles, groups of friends and businesses... A vacation with Costa Cruises is the perfect choice for everyone!

Welcome to Happiness

The most incredible amenities to make your cruise experience one to remember.

From relaxing by the pool to spa treatments, live shows, dancing and casino games, a Costa cruise includes all you could ask for on a vacation. To make your time on board and ashore even more special, explore our incredible shore excursion program with over 2,000 day trips to choose from in the world's most breathtaking destinations.

COSTA CRUISES CABINS

YOUR OASIS OF COMFORT Every Cabin features: adjustable air conditioning with thermostat; interactive flat-screen satellite TV; hair dryer; safe; a steward, always on duty; minibar and 24-hour room service (charges apply); Wi-Fi (charges apply); soap and shower gel; linen (bed sheets and towels) changed regularly. Each type of Cabin has different features: Inside, Ocean View and Ocean View with Private Balcony. Cabins are available that are larger or in a better location of the ship, depending on the rate selected.

CLASSIC, PREMIUM AND MINI SUITE CABINS

PRIVILEGES AND SERVICES INCLUDED Classic Cabins offer all the comfort of a top-class cabin at an affordable price. Premium cabins offer a superior level of travel comfort, which includes a range of select services free of charge: choose between first or second seatings for dinner, breakfast served in the cabin upon request and 24-hour room service. What's more, if you choose Premium cabin you will receive a 10% discount on your next cruise.
Guests who book Mini Suites enjoy all of the comforts and amenities of a Premium cabin, in an elegant, spacious stateroom located in a more desirable area of the ship. Mini Suite privileges include continental breakfast upon request served to guests in their cabin, complimentary 24-hour room service, the choice of restaurant dinner seating and a 10% discount on the next cruise.

SUITES

FOR THOSE WHO LOVE TO BE PAMPERED If you choose a Suite for your cruise, you will travel in complete comfort in a spacious cabin. Expect very exclusive treatment: access to a private VIP area in the terminal; a personal valet at your disposal for the entire cruise, a basket of assorted fruit replenished daily; a bottle of Ferrari sparkling wine; a minibar with a selection of drinks; a jacuzzi, baths salts, bath robe and slippers; a choice of pillows; the "Intenditore" beverage package including unlimited drinks priced up to €9 on bar menus (not included for guests that purchase a World Cruise or group reservations and programs); a restaurant reserved only for Suite guests; a whole day to spend in the thermal area of the spa (where available); and reserved front-row seats in the theater (up to 5 minutes before the start of shows). Suite guests will also receive a 10% discount on their next cruise.

SAMSARA CABINS

FOR A VACATION OF INFINITE WELLNESS Every detail of these comfortable and elegant luxury cabins has been designed for your relaxation. They are located within an exclusive area of the ship with unlimited access to the spa. Choosing a Samsara cabin offers guests extra perks: in-cabin breakfast, 24-hour room service, a purifying shower filter, an aromatic essence diffuser and a kettle with a selection of aromatic teas. Guests who choose a Samsara cabin also receive a 10% discount on their next cruise.

	Inside	Outside	Balcony	Suite
29/03/2026	from439,00 €	from519,00 €	from629,00 €	from709,00 €
05/04/2026	from489,00 €	from599,00 €	from809,00 €	from909,00 €
12/04/2026	from489,00 €	from569,00 €	from679,00 €	from759,00 €

São Paulo, Santos, Ilhabela, Itajai

Approach Ports

Departure Date