When we visited Australia, we took a 3 day/2 night catamaran trip from Airlie Beach out to the islands for snorkeling and kayaking. The cat left on two days each week and took up to 8 people each time, and we enjoyed 3 meals a day for a low price of $350 per person.
Is there ANYTHING similar in Greece ?
Every website I find is for catamaran charters. Not planned sailings.