Silo is situated on the south side of Prvic island. The pinnacle starts at around 12m depth. The dive starts following the anchor to reach the top of the pinnacle. On this dive site might be some strong current sometimes. The southern side of the pinnacle has a drop off where the bottom can reach 40m+ and the wall is covered with colorful gorgonians. The northern side, between the pinnacle and Prvic Island has a nice channel, where the bottom is around 30-40m deep.