7 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsSat, Jan 3rd 2026
ReturnsSat, Jan 10th 2026
Nights7
Departing PortItajai
Ports of CallItajai, Santos, Buenos Aires, Montevideo, Itajai
Costa Diadema, launched in 2014, is the latest addition to our fleet. It is built for relaxation and fun with lots of on-board activities, scintillating bars, gourmet restaurants and the spa area.Among the special features not to be missed: an entire deck… 
Inside Cabin
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Ocean View
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Balcony
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Suite
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7 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsSun, Jan 4th 2026
ReturnsSun, Jan 11th 2026
Nights7
Departing PortSantos
Ports of CallSantos, Buenos Aires, Montevideo, Itajai, Santos
Costa Diadema, launched in 2014, is the latest addition to our fleet. It is built for relaxation and fun with lots of on-board activities, scintillating bars, gourmet restaurants and the spa area.Among the special features not to be missed: an entire deck…
Inside Cabin
Call for pricing
Ocean View
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Balcony
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Suite
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7 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsWed, Jan 7th 2026
ReturnsWed, Jan 14th 2026
Nights7
Departing PortBuenos Aires
Ports of CallBuenos Aires, Montevideo, Itajai, Santos, Buenos Aires
Costa Diadema, launched in 2014, is the latest addition to our fleet. It is built for relaxation and fun with lots of on-board activities, scintillating bars, gourmet restaurants and the spa area.Among the special features not to be missed: an entire deck…
Inside Cabin
Call for pricing
Ocean View
Call for pricing
Balcony
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Suite
Call for pricing
7 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsSat, Jan 10th 2026
ReturnsSat, Jan 17th 2026
Nights7
Departing PortItajai
Ports of CallItajai, Santos, Buenos Aires, Montevideo, Itajai
Costa Diadema, launched in 2014, is the latest addition to our fleet. It is built for relaxation and fun with lots of on-board activities, scintillating bars, gourmet restaurants and the spa area.Among the special features not to be missed: an entire deck…
Inside Cabin
Call for pricing
Ocean View
Call for pricing
Balcony
Call for pricing
Suite
Call for pricing
7 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsSun, Jan 11th 2026
ReturnsSun, Jan 18th 2026
Nights7
Departing PortSantos
Ports of CallSantos, Buenos Aires, Montevideo, Itajai, Santos
Costa Diadema, launched in 2014, is the latest addition to our fleet. It is built for relaxation and fun with lots of on-board activities, scintillating bars, gourmet restaurants and the spa area.Among the special features not to be missed: an entire deck…
Inside Cabin
Call for pricing
Ocean View
Call for pricing
Balcony
Call for pricing
Suite
Call for pricing
7 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsWed, Jan 14th 2026
ReturnsWed, Jan 21st 2026
Nights7
Departing PortBuenos Aires
Ports of CallBuenos Aires, Montevideo, Itajai, Santos, Buenos Aires
Costa Diadema, launched in 2014, is the latest addition to our fleet. It is built for relaxation and fun with lots of on-board activities, scintillating bars, gourmet restaurants and the spa area.Among the special features not to be missed: an entire deck…
Inside Cabin
Call for pricing
Ocean View
Call for pricing
Balcony
Call for pricing
Suite
Call for pricing
7 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsSat, Jan 17th 2026
ReturnsSat, Jan 24th 2026
Nights7
Departing PortItajai
Ports of CallItajai, Santos, Buenos Aires, Montevideo, Itajai
Costa Diadema, launched in 2014, is the latest addition to our fleet. It is built for relaxation and fun with lots of on-board activities, scintillating bars, gourmet restaurants and the spa area.Among the special features not to be missed: an entire deck…
Inside Cabin
Call for pricing
Ocean View
Call for pricing
Balcony
Call for pricing
Suite
Call for pricing
7 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsSun, Jan 18th 2026
ReturnsSun, Jan 25th 2026
Nights7
Departing PortSantos
Ports of CallSantos, Buenos Aires, Montevideo, Itajai, Santos
Costa Diadema, launched in 2014, is the latest addition to our fleet. It is built for relaxation and fun with lots of on-board activities, scintillating bars, gourmet restaurants and the spa area.Among the special features not to be missed: an entire deck…
Inside Cabin
Call for pricing
Ocean View
Call for pricing
Balcony
Call for pricing
Suite
Call for pricing
7 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsWed, Jan 21st 2026
ReturnsWed, Jan 28th 2026
Nights7
Departing PortBuenos Aires
Ports of CallBuenos Aires, Montevideo, Itajai, Santos, Buenos Aires
Costa Diadema, launched in 2014, is the latest addition to our fleet. It is built for relaxation and fun with lots of on-board activities, scintillating bars, gourmet restaurants and the spa area.Among the special features not to be missed: an entire deck…
Inside Cabin
Call for pricing
Ocean View
Call for pricing
Balcony
Call for pricing
Suite
Call for pricing
7 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsSat, Jan 24th 2026
ReturnsSat, Jan 31st 2026
Nights7
Departing PortItajai
Ports of CallItajai, Santos, Buenos Aires, Montevideo, Itajai
Costa Diadema, launched in 2014, is the latest addition to our fleet. It is built for relaxation and fun with lots of on-board activities, scintillating bars, gourmet restaurants and the spa area.Among the special features not to be missed: an entire deck…
Inside Cabin
Call for pricing
Ocean View
Call for pricing
Balcony
Call for pricing
Suite
Call for pricing
7 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsSun, Jan 25th 2026
ReturnsSun, Feb 1st 2026
Nights7
Departing PortSantos
Ports of CallSantos, Buenos Aires, Montevideo, Itajai, Santos
Costa Diadema, launched in 2014, is the latest addition to our fleet. It is built for relaxation and fun with lots of on-board activities, scintillating bars, gourmet restaurants and the spa area.Among the special features not to be missed: an entire deck…
Inside Cabin
Call for pricing
Ocean View
Call for pricing
Balcony
Call for pricing
Suite
Call for pricing
7 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsWed, Jan 28th 2026
ReturnsWed, Feb 4th 2026
Nights7
Departing PortBuenos Aires
Ports of CallBuenos Aires, Montevideo, Itajai, Santos, Buenos Aires
Costa Diadema, launched in 2014, is the latest addition to our fleet. It is built for relaxation and fun with lots of on-board activities, scintillating bars, gourmet restaurants and the spa area.Among the special features not to be missed: an entire deck…
Inside Cabin
Call for pricing
Ocean View
Call for pricing
Balcony
Call for pricing
Suite
Call for pricing
7 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsSat, Jan 31st 2026
ReturnsSat, Feb 7th 2026
Nights7
Departing PortItajai
Ports of CallItajai, Santos, Buenos Aires, Montevideo, Itajai
Costa Diadema, launched in 2014, is the latest addition to our fleet. It is built for relaxation and fun with lots of on-board activities, scintillating bars, gourmet restaurants and the spa area.Among the special features not to be missed: an entire deck…
Inside Cabin
Call for pricing
Ocean View
Call for pricing
Balcony
Call for pricing
Suite
Call for pricing
Prices are per person, double occupancy, cruise only and on select sailings. Prices shown are for stateroom categories as noted and are shown in US Dollars. Pricing listed includes taxes and fees. Airfare is not included. Prices and itineraries are based on availability and are subject to change without notice.
