22 Night Baltic Sea Discovery aboard the Regent Seven Seas Seven Seas Mariner
Get ready for twenty-two nights of relaxing cruising through the sea when you reserve your suite on the Regent Seven Seas Seven Seas Mariner from Oslo to Helsinki.
This trip is notable because you'll exclusively experience very uncommon ports such as Umea, Oulu, and Sundsvall. This route is an uncommon one for the Seven Seas Mariner. In fact, this is the only time it's going to sail it!
Our price is the total price for a suite, including all entertainment, meals, taxes, and port fees.
The Regent Seven Seas Seven Seas Mariner
The Seven Seas Mariner Regent Seven Seas, the namesake of Regent Seven Seas's class, is a top-rated class vessel based in Europe that can carry more than 700 travelers.
The Seven Seas Mariner Regent Seven Seas wows guests with a casino, a spa, a gym, a ping pong table, and a jacuzzi.
Your Itinerary
This itinerary spends four days at sea and seventeen port days. Highlights include a long stop in Warnemunde as well as visits to once-in-a-lifetime stops like Umea, Oulu, and Sundsvall.
Alternate Sailings
This is the only ship that sails this exact route. In the accompanying graphic you can see a visualization of when this ship sails as well as the relative price for a suite.
Book Your Cruise
This graph shows the cost over time for the different types of cabin. Since being listed 7 days ago, the cost of this sailing has remained stable at $20,599 for a suite. Now this sailing is at its lowest price, so reserve your suite now before it moves upwards.
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suite
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$20,599
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$936.32/day
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Last Updated: Aug 7, 2026
Last Modified: Aug 1, 2026