Hoshi no Shima no Nyanko (Kittens of the Island of Stars)
The story centers on the cats Hopi, Toto, and Mao, who set out on the ocean in search of a place to establish a new town. The three friends plan to find the mysterious "Island of Stars." When they happen to chance upon it, they immediately get to work developing the island, but encounter many difficulties in their task.
[Source: Anime News Network]