there are several forum in italian... you can also post in english we will try to reply
do a search for "pesca apnea forum" and you will find them
i do not know the adriatic sea, i live on the other side between tuscany and liguria
summer is not a nice time to spear here because of lots of boats going around
and you cannot fish if there are people bathing (500 meters from beach and 200 metres from cliff)
your best option would be at sunraise and be aout before 8.30
sorry we have no marlin
