Explores Montenegro's dramatic Adriatic coast featuring Europe's southernmost fjord, the Bay of Kotor; local boccia champion Bozica Celanovic trains with her family for the annual Boccia Olympics.

Italy's Tremiti Islands offer diving with shipwrecks and underwater statues; marine biologist Lucrezia Cilenti tackles invasive blue crabs in Varano lagoon with a culinary solution.

Showcases Croatia's Dalmatian coast featuring the historic Split region and famous islands Brac, Hvar and Vis; at Bacvice beach, players of all ages enjoy picigin, a water volleyball game invented a century ago.

Showcases Rimini's famous 15km beach featuring 250 lidos, including the female-run Bagno 17; at CESTHA turtle hospital, marine biologist Sara Segati treats injured sea turtles before releasing them back to sea.

Sailor Tina Mrak trains in Slovenia's 50km Adriatic coast featuring Venetian towns Piran and Izola, while marine biologist Borut Mavric studies endangered species in nearby untouched waters.

A look at Trieste, the historic Miramare Castle, and Italy's first marine reserve; water rescue dogs train at Topolini beach; student Anna Sarzetto battles to save abandoned Falconera Island.