Yup, Aoshima means Blue Island. According to the pamphlet I got, it's dedicated to 3 deities: Hikohohodemi no Mikoto, Toyo Tamahime no Mikoto and Shio Tsutsu no Ookami. Nothing else about these deities was mentioned, so I don't know much about them.
The pamphlet further states that the origin of Aoshima Shrine is unknown, but what is known is that people worshipped at the srhine as early as the Heian Era in the 9th century AD.
Last edited by Tas - Japanese Culture; 10/23/12 10:14 AM.