Claim: Sa Talaiassa is on an island.

Sa Talaiassa -LRB- -LSB- sə təɫəˈjasə -RSB- -RRB- , also known as Sa Talaia or Sa Talaia de Sant Josep , is the highest mountain in the island of Ibiza in the Balearic Islands of Spain . It is located in the southwest of the island . Talaia , the name of the mountain , means `` watchtower '' in Catalan , Talaiassa referring to an especially large one .   Sant Josep de sa Talaia , the island 's largest municipality , is named after this mountain .