Cruise.com via ShermansCruise a Royal Caribbean 5-Night Eastern Caribbean Cruise for Two with prices starting from $518. (Scroll down on the landing page and click "Book Now" next to the May 5 sailing date.) That's the lowest price we could find for such a cruise in May by $242. This cruise aboard the Adventure of the Seas departs on May 5 from San Juan, Puerto Rico, with debarkation in Cape Liberty, NJ. Book this travel deal by April 30.
The planet will thank you, your local (overwhelmed) landfill will thank you. Even your budget will thank you.