CISMAS - The Cornwall and Isles of Scilly Maritime Archaeology Society - was formed in 2004 to promote maritime archaeology in Cornwall and the Scillies. The society currently has over 100 members, about three quarters  of them divers. The first CISMAS project was a two year survey of the debris field around the wreck of HMS Colossus (1798) in the Isles of Scilly. Other projects undertaken include:

    LATEST The Wherry Mine 2020 summary

    See our 3D interactive models CISMAS on Sketchfab

    NEW Colossus dive trail update- download the report here

    Explore the shipwrecks of the Isles of Scilly

    See a diver’s eye view video of the Colossus Dive Trail here


    Projects for 2020

    • Investigation of the Wherry Mine - in progress
    • Survey in the Isles of Scilly - postponed until 2021