Recently there have been a lot of naval games posted using Galleys & Galleons and its expansion, Fayre Winds & Foul Tides. Below are a couple of pictures lifted from the most recent posts there, along with the links. There really is a lot of great content, so do go and visit.
The Arkansas on the Yazoo (American Civil War)
20,000 Leagues Under the Sea (Capt. Nemo vs the Kraken)
A weekend of different games (including this great looking match up between Laputans and Chinese)
Legend of the Shachihoko (Japanese fantasy - with Vikings!)