Apart from the Mediterranean Sea and the Red Sea, Franco Chiossi's search for stimulating underwater settings has taken him to plunge into the waters of various areas of the world: 
- in the Caribbean Sea: the Dominican Republic, the Bahamas, Cuba, the Cayman Islands; 
- in Florida, U.S.A.; 
- in the Indian Ocean: Kenya, Maldive Islands, the Seychelles and Mauritius; 
- in the Pacific Ocean: Malaysia, at Sipadan, Mabul, Kapalai and Layang Layang; the Philippines, at Cebu, Bohol, Negros; Indonesia, at Kalimantan (Derawan, Maratua, Kakaban, Sangalaki), at Sulawesi  (Manado, Lembeth, Walea, Makassar), Bali, Lombok, Sumbawa, Komodo and Flores. 

His interest in photography dates back in the time he was a schoolboy, while his special interest in underwater photography started in 1994, when he used a Nikonos V with the dedicated lenses 15mm, 28mm and 35mm and macro extension tubes. 

In June 1998, he was awarded the First Prize in the First Underwater Extemporary Competition organized by the "Mondo Sommerso" magazine at Sharm el Sheik, Egypt. 

In 1998, he photographed with a Nikon F90X in Hughyfot and Underwave case, while at the present time he is using a Nikon F100 with the Nikon lenses 16mm, 20mm, 60mm and 105mm micro, as well as Sygma 14mm and underwater flashes Nikon SB 105 and Subtronic Megacolor. He employs Fuji Velvia and Sensia reversal films. 

November 2001 - Prix Jean et Maryse Chapeyroux 2001, at the 28th World Festival  of Underwater Image in Antibes (France): 2nd prize in the B&W Prints section. 

February 2003 -  1st Prize in the Macro Prints section at the XXIV Exhibition of Underwater Photography "Cittą di Faenza", Open Class.