This paper is the second paper dealing with water mites from French Guiana. The following new species are described: Rhynchohydracarus mirabilis Smit and Pešić sp. nov. (Rhynchohydracaridae), Limnesia guianaensis Smit and Pešić sp. nov., Limnesides crassipes Smit and Pešić sp. nov. (Limnesiidae), Omartacarus (Omartacarus) sautensis Smit and Pešić sp. nov. (Omartacaridae), Atractides courciboensis Smit and Pešićsp. nov., Hygrobates (Hygrobatides) curtipes Smit and Pešić sp. nov., Hygrobates (Hygrobatides) dilatatus Smit and Pešić sp. nov., Hygrobates (Hygrobatides) guianaensis Smit and Pešić sp. nov., Mixobates projectus Smit and Pešić sp. nov., Paraschizobates (Paraschizobates) gracilipalpis Smit and Pešić sp. nov. (Hygrobatidae), Geayia tanaru Smit and Pešić sp. nov., Geayia major Smit and Pešić sp. nov., Geayia purpureomaculata Smit and Pešić sp. nov. and Geayia guianaensis Smit and Pešićsp. nov. (Krendowskiidae). Limnesia magnipora Besch is synonymized with L. surinamensis Besseling. The first descriptions are given for the female of Limnesia surinamensis Besseling and the male of Geayia latirostris K. Viets.