That's the best deal we could find for this sailing by $40. Buy Now at ShermansCruise Tips On the ShermansCruise landing page, scroll to the bottom and click "Book Now" next to the December 12 sailing date. This round-trip cruise aboard the Carnival Imagination departs on December 12 from Long Beach, CA. Some restrictions may apply; fees, government taxes, and fuel supplements are additional. Book this travel deal by October 31.