Do you mean with no basking area? If so, look at Fly River turtles, common snapping turtles, and alligator snapping turtles. These are all big species and need multi-hundred-gallon tanks or ponds. Kinosternids (American mud and musk turtles) are also predominantly aquatic and much smaller. Mine do like to bask occasionally, so i would suggest providing at least a small basking area.