One of my favorite games is General Quarters - Part 2. This set of rules simulates WWI naval battles. The hardest part of this hobby (miniatures) is the painting! :)

Ship histories and information can be found here:

Battleships-Cruisers

C-in-C

GHQ

Skytrex

NavWar

WTJ

Viking Forge

Panzerschiffe

Noble Miniatures

Tumbling Dice

Seekrieg

A&A Engineering

General Quarters

Manley’s Naval Page

General Quarters

Pre-Dreadnoughts

Ironclads

War Times Journal

Seekrieg

Nav War Games

Fire As She Bears

Damn Battleships Again