Looking for an adventure? Un-Cruise Adventures' fleet of boutique yachts and expedition vessels carry 22-84 guests on weeklong adventure cruises in Alaska, Mexico's Sea of Cortés, Hawaii, coastal Washington, British Columbia, Galápagos and Costa Rica & Panama. With a focus on exploring the destination and seeing nature and wildlife up close, guests enjoy a variety of activities: kayaking, stand-up paddle boarding (SUP), hiking, snorkeling, skiff excursions, seeking out wildlife and cultural encounters. Unrushed. Uncrowded. Unbelievable.