Copenhagen to Amsterdam (Ijmuiden)

Rising from the harbour that Viking chieftain Absalon fortified in 1167, Copenhagen has evolved into one of Europe's most sophisticated capitals — a city where medieval spires and cutting-edge architecture coexist with effortless style. Savour smørrebrød at a century-old lunch counter, cycle across the harbour bridge to the revitalised Meatpacking District, and venture north to Kronborg Castle — Shakespeare's Elsinore. As one of Northern Europe's premier cruise homeports, it serves as the ideal gateway to Baltic and Scandinavian itineraries, best experienced from May to September.

Kiel, a historic maritime city on the Baltic Sea, is celebrated for its rich naval heritage and vibrant waterfront atmosphere. Must-do experiences include sampling local delicacies like Labskaus and visiting the lively Wochenmarkt. The best time to experience Kiel is during the summer months, particularly during the Kieler Woche regatta in June.

Rønne is the gateway to Bornholm, Denmark's Baltic island renowned for its granite cliffs, medieval round churches, and exceptional artisan food scene including traditional smokehouses and a Michelin-starred restaurant. Must-do experiences include exploring Hammershus castle ruins, eating Sol over Gudhjem smoked herring, and visiting the frozen-in-time fortress island of Christiansø. June through August is ideal for the longest days and Baltic swimming.

Gdańsk is a magnificently reconstructed Baltic port city where Gothic spires, amber-laden merchant houses, and the birthplace of the Solidarity movement converge along the luminous Motława River. Visitors should not miss the Royal Way's Renaissance façades and a tasting of traditional żurek soup and Goldwasser gold-flecked liqueur at a waterfront restaurant. The Baltic cruise season from May through September offers the most favorable weather, with long northern days that bathe the city's ornate gables in golden light well past nine in the evening.

Liepāja is Latvia's windswept Baltic port city, home to the extraordinary Karosta former Russian Imperial naval base, a vibrant live music scene, and some of Latvia's finest white-sand beaches with interactive piano sculptures along the promenade. Must-dos include exploring the Karosta prison and Byzantine-style cathedral, attending a concert at the amber-glass Great Amber hall, and walking the Blue Flag beach. June through August offers the warmest weather and longest Baltic daylight.

Riga, Latvia’s capital, is a vibrant port known for its rich history, stunning architecture, and dynamic atmosphere. Must-do experiences include wandering the cobbled streets of Old Riga and savoring local dishes like gray peas with speck. The best season to visit is during the summer months when the city comes alive with festivals and outdoor activities.

Tallinn’s port offers a captivating blend of history and modernity, with its medieval Old Town recognized as a UNESCO World Heritage site. Must-do experiences include exploring the iconic Raekoja plats and indulging in local culinary delights like kama and smoked herring. The best season to visit is during the summer when the city comes alive with festivals and outdoor activities.

Kotka is a Finnish maritime city at the Kymi River's mouth, home to the award-winning Sapokka Water Garden carved from a former quarry and the Tsar Alexander III's charming Imperial Fishing Lodge at Langinkoski rapids. Must-dos include strolling the illuminated Sapokka park, visiting Finland's only saltwater aquarium, and touring the tsar's rustic salmon fishing retreat. June through August offers warm Finnish summer weather with near-continuous midsummer daylight.

Stockholm's port is a stunning gateway to one of Europe’s most beautiful cities, uniquely positioned on fourteen islands. Must-do experiences include savoring traditional Swedish dishes like **köttbullar** and exploring nearby attractions such as Visby and Malmö. The best season to visit is during the summer months when the city is vibrant with life and outdoor activities.

Helsinki’s port is a gateway to a captivating blend of history, modern architecture, and vibrant culture, making it a must-visit destination in the Baltic Sea. Highlights include savoring traditional Finnish dishes at the lively Market Square and exploring nearby attractions like the UNESCO-listed town of Rauma. The best season to visit is during the summer months when the city comes alive with festivals and outdoor activities.

Visby, on Sweden's island of Gotland, is a UNESCO-listed medieval treasure and the best-preserved walled city in Scandinavia, where thirteenth-century Hanseatic merchant heritage meets cobbled lanes draped in roses. Visitors should walk the complete 3.4-kilometre ring wall for panoramic views and taste the island's signature saffron pancake, saffranspannkaka, with dewberries and cream. The ideal season is June through August, when the Baltic light lingers well past midnight and the harbour welcomes the finest cruise lines on their summer itineraries.

Karlskrona is a UNESCO-listed Baroque naval city built on islands in Sweden's Blekinge archipelago, featuring one of Europe's finest maritime museums, intact eighteenth-century fortifications, and a 1,600-island archipelago. Must-dos include the Naval Museum's submarine tour, the Kungsholmen fortress boat trip, and summer crayfish feasts. June through August offers the warmest weather and longest days for island exploration.

Warnemünde is a beguiling Baltic seaside town at the mouth of the Warnow — at once a historic fishing port documented since 1195, an East German nostalgic resort beloved for its endless sandy beach and candy-striped lighthouse, and the maritime gateway to the proud Hanseatic city of Rostock just minutes away. The broad promenade, traditional Strandkörbe wicker beach chairs, and lively harbor-front fish restaurants give the town an unhurried, timeless character quite distinct from Germany's busier North Sea resorts. Summer is the prime season, when the Baltic's mild waters warm for swimming and the Rostock sailing regatta brings vibrant nautical pageantry to the harbor.

Aarhus, Denmark's spirited second city, blends Viking heritage with cutting-edge Nordic design along the shores of Aarhus Bay. No visit is complete without ascending the rainbow panorama at ARoS Art Museum and savoring *stegt flæsk* or freshly prepared *smørrebrød* in the Latin Quarter. The ideal season to arrive is late May through September, when long Scandinavian daylight hours illuminate the waterfront promenades and outdoor dining flourishes along the canals.

Aalborg is Denmark's reinvented northern city, where a former power station houses theatres and galleries, the Utzon Center honors the Sydney Opera House architect, and a Viking burial ground of seven hundred graves overlooks the Limfjord. Visit May through September via Seabourn or Viking for Scandinavia's largest carnival, extraordinary industrial-to-cultural architecture, and the unpretentious Jutlandic character that makes this city Copenhagen's most refreshing counterpoint.

Hamburg — once the 'Gateway to the World' and still Germany's greatest port — combines Hanseatic grandeur with an unmatched contemporary creative energy. The Speicherstadt, a vast nineteenth-century brick warehouse district now housing design studios, museums, and the Elbphilharmonie concert hall perched dramatically above the Elbe, exemplifies the city's gift for transforming history into living culture. The Reeperbahn's legendary nightlife, the Alster lake's elegant promenades, and an exceptional restaurant scene anchored by the finest fresh fish from the daily harbour market complete an irresistible portrait. Hamburg rewards visits year-round, though May through September offers the longest, most luminous days.

IJmuiden is the Netherlands' North Sea gateway to Amsterdam, where the world's largest sea lock marks the entrance to the North Sea Canal. Visitors should taste smoked fish and kibbeling at the harbour, explore the wild dune landscapes of South Kennemerland National Park, and marvel at centuries of Dutch maritime engineering. Late spring through early autumn offers the best weather for coastal exploration.