The anthozoan Actinostella flosculifera, the polychaete Lygdamis wirtzi, the decapods Gnathophyllum americanum and Periclimenes platalea, the phoronid Phoronis australis, the holothurian Euapta lappa, and the asteroid Goniaster tesselatus are recorded from São Tomé Island for the first time. The marine zoogeography of the area is briefly discussed, with special emphasis on the high proportion of amphi-Atlantic species.