Someone was asking recently about small to mid-size cruise ships.
Here's one that we spotted today on our way into North Sound Virgin
Gorda in the BVI:

http://www.seabourn.com/luxury-cruis...onboard/Legend

Loks like a decent boat, something like 110 passenger cabins.

This is how it looked to us this afternoon:

http://oi50.tinypic.com/new7sl.jpg