Micalvi Cove is a 1.9 km wide cove indenting for 1.35 km the southwest coast of Robert Island in the South Shetland Islands, Antarctica next northwest of Kermen Peninsula, and entered between Edwards Point and Zahari Point. Avren Rocks are situated in the interior of the cove. The area was visited by early 19th century sealers.
The feature is named after the cutter Micalvi which took part in one of the Chilean Antarctic expeditions.