Windstar will operate 15 new European itineraries as part of its 2026 fleet deployment.
The small ship line will call at 34 new ports together with a solar eclipse sailing around Iceland in August 2026.
A new 81-day Grand Europe Adventure begins in Helsinki on July 14, 2026 and visits 20 countries and 67 ports of call before ending in Athens.
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Overnight stays for up to four days in a single destination and late-night departures are part of the extended itinerary.
The line will also introduce new cruise tours from Madrid, a circumnavigation of Ireland, an Aeolian Islands cruise and an exploration of northern Greece.
An early booking offer for bookings made by October 31 includes a free all-inclusive experience worth £73 per person per day featuring Wi-Fi, unlimited wine, beer and cocktails, and gratuities, plus a $100 onboard credit per cabin.
Itinerary planner Jess Peterson said: “Our year-round cruises in the Mediterranean and Europe have more small-ship only destinations than ever before.
“We’ve designed these voyages with a focus on regional exploration, so that means more overnight stays and off-the-beaten-path experiences to help give you a deeper, more genuine look at some of Europe’s best spots.”