A small list of possible activities:
Wind Surfing
at Santa Maria Beach (Naoussa)
at Golden Beach and New Golden Beach (east coast)
Scuba Diving
Scuba diving courses focusing on marine biology and archaeology
(situated at Golden Beach, check link: http://www.aegeandivingcollege.com/)
Pounda (south of Parikia, the town opposite Antiparos): http://www.eurodivers.gr/
Sea discovery programs with snorkeling and diving for kids, teens, families and schools
(situated at Golden Beach, check link: http://www.octopuseatrips.com/)
Water Ski, Tubes
Αt several different beaches like Kolymbithres during high season mostly
Horse Riding
Tours with Fishing Boats
Οrganized by travel agencies (Naoussa)
Sailing
Daily tours & more
Sightseeing Tours
organized by us
Daily trips to other Islands
like Naxos, Mykonos, Delos, Santorini,
organized by us, departing from Naoussa, Pisso Livadi
"Aqua Parks"
With water slides in Naoussa (near Kolymbithres Beach) & on the outskirts of Parikia on the road to Lefkes
Beach Volley, Bunjee Jumping, Beach Bar, Swimming Pool go to Pounda Beach
Mountain Biking Tours
Organized (Naoussa) or "rent a bike"
Fitness Centers / Body Building
in Parikia & Naoussa
Go Carting
in Parikia