The Kvarner Gulf (Croatian: Kvarnerski zaljev, Italian: Golfo del Quarnaro or Carnaro, Latin: Sinus Flanaticus or Liburnicus sinus), sometimes also Kvarner Bay, is a bay in the northern Adriatic Sea, located between the Istrian peninsula and the northern Croatian Littoral mainland. The bay is a part of Croatia's internal waters. The bay is notable for its depth, which allows for the city of Rijeka at its northernmost point to have a sea port that can accommodate Capesize ships.