Six new species of water mites are described from Sulawesi, Indonesia, viz., Hygrobates rotundus, Neumania parvula, Albia inopinata, Albia molibaguensis, Arrenurus bruzelioides, and Arrenurus duffelsi, and four new species from Waigeo, Indonesia, viz., Torrenticola papillata, Limnesia argelooi, Recifella rumei, and Axonopsella waigeoensis. In addition, eight species are reported new for the fauna of Sulawesi, and two species new for the fauna of Waigeo.