MS Sea Spirit
Portsmouth → Tresco → Dunrossness and Fair Isle → Leith
May 9 · 12 nights
About average
$7,615 suite · $635/night
MS Sea Spirit
•
Poseidon Expeditions
Poseidon Expeditions
Ship
Sea Spirit
Sea Spirit most often sails Patagonia & Cape Horn Loop via Ushuaia (Sea-Day Heavy), with recurring calls at Drake Passage, Longyearbyen, and Ushuaia.
Best Sea Spirit sailings right now
The strongest upcoming options based on price and itinerary.
Upcoming Sea Spirit cruises
The next departures currently scheduled for this ship.
Sep 16, 2026
MS Sea Spirit • ☾ 10 nights • Reykjavík ↔
↓27% below typical
$6,803
$680/night
Oct 23, 2026
MS Sea Spirit • ☾ 18 nights • Longyearbyen ↔
↑3% above typical
$17,223
$957/night
Nov 9, 2026
MS Sea Spirit • ☾ 20 nights • Ushuaia ↔
↑15% above typical
$21,283
$1,064/night
Nov 28, 2026
MS Sea Spirit • ☾ 11 nights • Ushuaia ↔
↑24% above typical
$12,601
$1,146/night
Dec 8, 2026
MS Sea Spirit • ☾ 11 nights • Ushuaia ↔
↑2% above typical
$12,656
$1,151/night
Dec 18, 2026
MS Sea Spirit • ☾ 11 nights • Ushuaia ↔
$12,656
$1,151/night
Schedule patterns
Where Sea Spirit sails
Supporting context from this ship's published routes and recurring ports.
Patagonia & Cape Horn Loop via Ushuaia (Sea-Day Heavy)
This itinerary accounts for 11 upcoming departures on Sea Spirit, typically lasting 11 nights.
Typical: $12,158-$12,759Good deal: <$11,500Current best: $11,139 ✅
Arctic Loop: Longyearbyen (Sea-Day Heavy)
This itinerary accounts for 6 upcoming departures on Sea Spirit, typically lasting 7–18 nights.
Typical: $8,859-$27,143Good deal: <$8,400Current best: $7,425 ✅
South Atlantic Islands Crossing via Ushuaia & Drake Passage (Best Balance)
This itinerary accounts for 4 upcoming departures on Sea Spirit, typically lasting 20 nights.
Typical: $17,969-$22,377Good deal: <$17,000Current best: $20,567
Arctic One-Way via Ushuaia & Drake Passage (Best Balance)
This itinerary accounts for 2 upcoming departures on Sea Spirit, typically lasting 11 nights.
Typical: $12,325-$13,108Good deal: <$11,700Current best: $12,282
Most-visited ports
Drake Passage 30 · Longyearbyen 30 · Ushuaia 19 · Reykjavík 5 · Port Stanley 4 · Djúpivogur 2 · Dunrossness and Fair Isle 2 · Kirkwall 2 · Seydisfjørdur 2 · Vestmannaeyjar / Heimaey 2 · Akureyri 1 · Portrush 1
Plan by month
Sea Spirit cruise schedule
Browse the complete month-by-month calendar, including linked sailings and ports of call.
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About Sea Spirit
Sea Spirit is a small cruise ship operated by Poseidon Expeditions. Built in 1991, it carries approximately 114 passengers.
- Passengers
- 114
- Gross tonnage
- 4,200 GT
- Built
- 1991
- Size
- Small
- Class
- ice-strengthened expedition ship