The kayak tour explores the dolphin sanctuary and ships graveyard maritime heritage trail just 30 minutes from the adelaide cbd here you find one of adelaides secret spots it is an area of surprising beauty the sheltered mangrove lined creeks are home to a fascinating array of marine life birds and the port river dolphins the ships graveyard is a unique feature of the area with over 20 wrecks to view all this makes for a sensational adventure and kayaking is the most environmentally