Indonesia – 4 VLS (vertical launching system) mounted on Ahmad Yani class frigate KRI Oswald Siahaan (354), 50 missiles.
Russia – 3 "Bastion-P" complexes delivered in 2010, all the complexes taken into service with the Russian Black Sea Fleet's 11th Independent Coastal Missile-Artillery Brigade stationed near Anapa and the Project 1234.7 Nakat, a one-off Nanuchka IV-class corvette commissioned in 1987 with 2x6 Oniks. In the 1990s the antiship missile Onyx was tested on the ship. In 2002 the missile passed the whole range of trials and was commissioned. "Bastion-P" is deployed by Russian forces in Crimea. (此外俄羅斯海軍新一代北德文斯克級SSN也預定使用此型飛彈,每艘最多可攜帶24至32枚P-800)
Syria – 2 "Bastion-P" complexes delivered in 2011, 72 missiles.