Good historical fiction – suggestions?

I love reading historical fiction. To me, that’s a great way to relax and perhaps waste some time. I especially like novels about naval warfare, preferably involving sail ships.

I have read all the books in Patrick O’Brian’s Master & Commander-series. As well, I have finished C.S. Forester’s series about Horatio Horblower, all the way from midshipman to admiral. And I’ve done the Dewey Lambdin-series (see review) about Alan Lewrie. And, today, sadly, I finished Alexander Kent’s series of books about the illustrious Richard Bolitho.

So now I am out of good ideas. So therefore I need advise. Are there any other great historical fiction books (preferably series) I should read? Help me!! I need recommendations!