It´s OK to take one or two day trip around the Pakri Islands by sea-kayaks. There are two islands -- Suur- pakri and Väike Pakri near te Paldiski town. If You start from Pedase or Kurkse on mainland it´s 6-7 km to islands. get around 1 day or two. The providers of sea-kayaking in Estonia are www.seikleja.com, www.retked.ee, www.adventuur.ee etc.