This dive site is found offshore from the Mgarr ix-Xini inlet along the south shore near Mgarr Harbour.  Fessej Rock is a tall, circular and vertical column of rock which rises about 15 metres (50 feet) above the water and plunges vertically 50 metres (165 feet) to the seabed, amidst a number of huge boulders.  The average depth of the dive is of 30 metres (100 feet), and one encounters large schools of fish, tube worms and squat lobsters, dentex and amberjacks.  Barracuda, tuna and grouper, as well as octopus and other lobster can be found on this dive.    

Maximum depth - 50 metres