Marita nitida is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
The small, thin shell is translucent, glossy and narrow-ovate.
Its colour is white, with a few faint rusty spots.
Sculpture The radials are elevate narrow spaced ribs—on the first adult whorl eleven, on the body whorl eight.
Between these ribs are incised spiral lines, increasing from six on the first adult whorl to about twenty-four on the last.