Stockholm is in the middle of its strongest tourism year on record, and the momentum isn't fading after summer. International guest nights rose 17 percent in July, August hotel occupancy hit 89 percent — the highest ever recorded — and the city says it's outpacing peers like Copenhagen, Helsinki and Berlin, with autumn bookings running ahead of last year. If you've been waiting for a reason to visit the Swedish capital, go before everyone else catches on.

Spread across 14 islands where Lake Mälaren meets the Baltic Sea, Stockholm mixes eight centuries of medieval alleys, Baroque facades and Rococo palaces with a very modern obsession: being in the water. Locals canoe the waterways, and as of this summer the city runs its first municipal public sauna, right on the waterfront at Hornstull. That blend of nature and urbanity is exactly what's driving a wave of "coolcation" travel — visitors swapping overheated southern beaches for Sweden's mild summers and long glowing twilights.

The food scene is accelerating too. Björn Frantzén, the only chef currently running three three-Michelin-star restaurants at once, is opening Emberlin, a new open-fire concept. Adam Albin, a Michelin-starred restaurant overlooking the Royal Palace from chefs Adam Dahlberg and Albin Wessman, serves a New Nordic tasting menu — poached oyster and langoustine tacos among the standouts. For something more casual, Lilla Ego does chef-driven Swedish comfort like arctic char and soused herring without the fine-dining price tag.

There's plenty new beyond the kitchen table. House of Q in Hamnkvarteren is the city's first permanent queer culture venue in over a decade, and the Museum of Far Eastern Antiquities on Skeppsholmen has reopened after a major renovation with one of Europe's best collections of Chinese, Japanese, Korean and Indian art. Hotel openings reflect the Swedish design range: Ruby Hotels' first Scandinavian property, plus Thon Hotel Vasa in a restored 19th-century building. At the top end, Ett Hem is a 1910 townhouse that feels like a friend's impossibly stylish home, while Hotel Skeppsholmen sits in an 18th-century naval barracks on a quiet central island.

Classic sights hold up: wander Old Town's cobblestones, catch the changing of the guard at the Royal Palace, browse Fotografiska on the Södermalm waterfront, or have a cocktail at Gold Bar in the Nobis Hotel — the site of the 1973 bank robbery that gave us the term "Stockholm Syndrome." Time your trip for Midsommar in June or Walpurgis Night bonfires at Skansen, or come in winter for a shot at catching the northern lights on a clear night.

Practically speaking: Stockholm Arlanda is the main airport, about 25 miles from town, and Stockholm Central is the country's busiest rail hub. Americans can stay visa-free up to 90 days in any 180, provided passports are valid three months past departure with a blank page. The currency is the Swedish krona, and Uber and Bolt both operate. The archipelago — with island-hopping, sailing and kayaking through Djurgårdsbrunnsviken — is minutes from downtown, and it's the reason many visitors say the city never feels like a rush. Lagom, as the Swedes say: just right.

Story reported by Global Traveler.