There are thousands of boat related sites on the internet
and more in publication... What are you specifically looking for?
If your just looking for general stuff from around the world Latitidue 38 (Electronic Edition) is free. But any magizine from Lats & Atts to Sailing World. which provide you with what you orginally asked for.
If you are looking for reviews
... Practical Sailor is the best by far
There are also hundreds of Yahoo Groups specific to type of boats or locations... A few are: Southbound Group (Mexico & Central America); Cruisers_Network_Online (Caribbean), World Cruisers and Circumnavigation
. Otherwise type in sailing in the yahoo groups search engine
and see what pops up.