7 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsSun, Mar 1st 2026
ReturnsSun, Mar 8th 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
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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
DepartsWed, Mar 4th 2026
ReturnsWed, Mar 11th 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
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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
DepartsSat, Mar 7th 2026
ReturnsSat, Mar 14th 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
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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, Mar 8th 2026
ReturnsSun, Mar 15th 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
Call for pricing
Suite
Call for pricing
7 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsWed, Mar 11th 2026
ReturnsWed, Mar 18th 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, Mar 14th 2026
ReturnsSat, Mar 21st 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, Mar 15th 2026
ReturnsSun, Mar 22nd 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, Mar 18th 2026
ReturnsWed, Mar 25th 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, Mar 21st 2026
ReturnsSat, Mar 28th 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, Mar 22nd 2026
ReturnsSun, Mar 29th 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
4 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsWed, Mar 25th 2026
ReturnsSun, Mar 29th 2026
Nights4
Departing PortBuenos Aires
Ports of CallBuenos 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
4 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsSat, Mar 28th 2026
ReturnsWed, Apr 1st 2026
Nights4
Departing PortItajai
Ports of CallItajai, Santos, IlhaBela, 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
4 Night South American Coast Cruise
Cruise LineCosta Cruises
ShipDiadema
DepartsSun, Mar 29th 2026
ReturnsThu, Apr 2nd 2026
Nights4
Departing PortSantos
Ports of CallSantos, IlhaBela, 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
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.
