I would go to your library, get cruise port and cruise books. They come out often. Berlitz does almost every boat afloat.Fodors, Frommers, more.Stick to the American oriented ones like CCL.RCL. Princess, Norweigan, Celebrity.. Watch out for older ships of CCL,NCL. Not the best experience. Very short under 7N cruises tend to be noisy booze cruises spending half of time going/coming to home port. To do a 7N on above ships call several discount cruise only agencies. Ask for their best deal on INSIDE cabin only. Ask what On Board Credits they will give(OBCs).. Make a spread sheet of all details.Eastern Caribbean more attractive than Mexico for Honeymoon. The more effort and knowledge you expend the better the deal. Bon Voyage. PS. Vacationstogo.com an excellent resource, esp. for deck plans. Cruise Critic.com also.