The author expresses gratitude to the editors of the Octopus magazine for the provided photographic materials and memories of divers, as well as personally to P. Alexandrov, A. Aristarkhov, E. Artemyev, Yu. Golosiy, D. Davydov, To Egorov (CELT), G. Ivanov, K Ivanova, O. Kartsev, N. Krivtsov, S. Murashkina, T. Skidonenko, T. and S. Spilka, M. Trshinski, B. Filatov, A. Chistyakov, I. Shapkin

In the silent darkness of the ocean depths lie tens of thousands of sunken ships. And if until recently most of the sea treasures were inaccessible, now, thanks to revolutionary developments in diving technology, the deepest sunken objects have become accessible! You just need to know where they lie...The islands of Cocos and Sainte-Marie will reveal their secrets to you; you will find out how many billions lie at the bottom of Vigo Bay; trace the fate of the treasures from the galleon "Concepcion" and get vivid impressions together with the hunters for sea treasures.