Buenos Aires
One of the places included in this itinerary.
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18-night South America cruise from Buenos Aires on Seven Seas Mariner
The Colossal Coastlines is a 18-night South America cruise aboard Seven Seas Mariner, operated by Regent Seven Seas Cruises. Departing Buenos Aires on February 2, 2027, the voyage visits 9 ports including Puerto Madryn, Punta Arenas, Chile, Ushuaia, Argentina. Fares start from $13,999 per person.
- Length
- 18 nights
- Departs
- Feb 2, 2027
- Returns
- Feb 20, 2027
- Ports of call
- 9
- Days at sea
- 8
Voyage code MAR270202
18 nights · South America
Why this route stands out
A closer look at the journey
Price tracking
Today’s fare, in context
Price history
Cheaper than 29%30 days
Current prices
Per person · 2 guests
Tax and fee inclusion varies by fare source. Confirm the total, including any additional charges, before booking.
Inside
No recorded fare
Oceanview
No recorded fare
Balcony
No recorded fare
Suite
from $13,999
$777 / night
Fare rows
Deluxe Veranda Suite
Cabin grade
from $13,999
$777 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS&BONDISC
Rate conditions not supplied. Confirm the rate and its terms before booking.
Deluxe Veranda Suite
Cabin grade
from $14,099
$783 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS&BONDISC
Rate conditions not supplied. Confirm the rate and its terms before booking.
Concierge Suite
Cabin grade
from $14,359
$797 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS&BONDISC
Rate conditions not supplied. Confirm the rate and its terms before booking.
Concierge Suite
Cabin grade
from $14,559
$808 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS&BONDISC
Rate conditions not supplied. Confirm the rate and its terms before booking.
Penthouse Suite
Cabin grade
from $15,159
$842 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS&BONDISC
Rate conditions not supplied. Confirm the rate and its terms before booking.
Penthouse Suite
Cabin grade
from $15,259
$847 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS&BONDISC
Rate conditions not supplied. Confirm the rate and its terms before booking.
Penthouse Suite
Cabin grade
from $15,359
$853 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS&BONDISC
Rate conditions not supplied. Confirm the rate and its terms before booking.
Horizon Suite
Cabin grade
from $15,759
$875 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS&BONDISC
Rate conditions not supplied. Confirm the rate and its terms before booking.
Deluxe Veranda Suite
Cabin grade
from $17,699
$983 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS
Rate conditions not supplied. Confirm the rate and its terms before booking.
Deluxe Veranda Suite
Cabin grade
from $17,799
$988 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS
Rate conditions not supplied. Confirm the rate and its terms before booking.
Concierge Suite
Cabin grade
from $18,199
$1,011 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS
Rate conditions not supplied. Confirm the rate and its terms before booking.
Concierge Suite
Cabin grade
from $18,399
$1,022 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS
Rate conditions not supplied. Confirm the rate and its terms before booking.
Penthouse Suite
Cabin grade
from $18,999
$1,055 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS
Rate conditions not supplied. Confirm the rate and its terms before booking.
Penthouse Suite
Cabin grade
from $19,099
$1,061 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS
Rate conditions not supplied. Confirm the rate and its terms before booking.
Penthouse Suite
Cabin grade
from $19,199
$1,066 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS
Rate conditions not supplied. Confirm the rate and its terms before booking.
Horizon Suite
Cabin grade
from $19,599
$1,088 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS
Rate conditions not supplied. Confirm the rate and its terms before booking.
Seven Seas Suite (Forward)
Cabin grade
from $22,359
$1,242 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS&BONDISC
Rate conditions not supplied. Confirm the rate and its terms before booking.
Seven Seas Suite (Forward)
Cabin grade
from $26,199
$1,455 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS
Rate conditions not supplied. Confirm the rate and its terms before booking.
Mariner Suite
Cabin grade
from $26,959
$1,497 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS&BONDISC
Rate conditions not supplied. Confirm the rate and its terms before booking.
Grand Suite
Cabin grade
from $28,159
$1,564 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS&BONDISC
Rate conditions not supplied. Confirm the rate and its terms before booking.
Mariner Suite
Cabin grade
from $30,799
$1,711 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS
Rate conditions not supplied. Confirm the rate and its terms before booking.
Grand Suite
Cabin grade
from $31,999
$1,777 / night
per person
Observed 14 Oct 2026, 08:14 UTC
Rate details
Rate name not supplied
Rate code: EBS
Rate conditions not supplied. Confirm the rate and its terms before booking.
This sailing
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The journey
18 nights, in order
Buenos Aires
Explore Buenos AiresDay by day
The full itinerary
Your ship
Seven Seas Mariner
Attention to detail distinguishes Regent Seven Sea Cruises™ and the exceptional suites on Seven Seas Mariner®. With our all-inclusive fares, every guest enjoys spacious closets, well-appointed bathrooms and a private balcony with views of the shimmering sea. Soothing colors accented by appealing patterns and textures dominate the interiors of Seven Seas Mariner®. The common spaces offer everything from wide-open views on the upper deck to intimate tables for bridge in the Card Room.
5★
48,075 GT
700 Passengers
Built 2001
Seven Seas Mariner
Deck plans
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