A cruise where the itinerary bends to an orca sighting and fewer than one percent of Glacier Bay visitors ever go where you're going? That's the pitch from UnCruise Adventures, a small-ship line that treats the boat as a floating base camp rather than the destination itself.

The ships carry just 22 to 86 guests, which changes the whole experience. Crew and guides get to know everyone by name, and — more importantly — the vessels can slip into coves, fjords and inlets that big cruise ships physically can't reach. Most destinations on an UnCruise route are accessible only by boat or seaplane, so you're often anchored somewhere no other travellers are.

The focus stays firmly outside. Days are built around kayaking, snorkelling, wildlife watching, guided hikes and skiff excursions rather than onboard entertainment. Evenings bring sea-to-plate meals from locally sourced ingredients, a nightly cocktail and a guide-led talk about whatever you saw that day. Everything is included: meals, drinks, gear and every activity, so there are no surprise add-ons.

Itineraries are deliberately loose. CEO Captain Dan Blanchard describes it as having "a plan from which to deviate" — if a pod of orcas shows up, that becomes the plan. Ships travel by night, so each morning starts close to the day's adventure, and most sailings avoid full days at sea entirely.

Alaska is where the difference is sharpest. Nearly all of UnCruise's Alaskan voyages start and end in Alaska (Juneau and Sitka, not Seattle or Vancouver), and the line runs U.S.-flagged vessels, which can roam Alaskan waters without detouring to international ports. The result: while a typical Alaska cruise might cover 3,000 miles in a week, UnCruise caps it around 400. Less time steaming, more time hiking.

That translates into access most cruise passengers never get. In Glacier Bay National Park — a standard cruise stop where most guests never leave the ship — UnCruise runs trips like a ridgeline hike to Lamplugh Glacier. Blanchard notes fewer than one percent of park visitors ever set foot in the outer bay wilderness.

The season runs from April to late September, one of the longest in the industry, and each stretch offers something different: northern lights under April skies, breaching humpbacks in early summer, bears feeding on salmon in autumn. Beyond Alaska, the line sails Hawaii, Costa Rica and Panama, Mexico (think burros through mountain country) and the Galápagos.

Who's this for? Travellers who'd rather earn a view than watch one from a deck. If you want waterslides and buffets, look elsewhere. But if you want to kayak a fjord, snorkel a reef and still sleep in a warm cabin with drinks included, this is one of the few cruise products built around adventure first. Note that intimate ships mean a premium price compared to mainstream mega-cruises — you're paying for guides, access and small-group everything. Full details are at uncruise.com.