Mark Berry of Winter Harbor works on his paddling technique as paddling enthusiasts attend a surf ski kayak lesson at Thomas Point Beach with Oscar Chalupsky, 12-time World Champion Surf Ski Kayak Racer from South Africa.

Paddling enthusiasts attend a surf ski kayak lesson at Thomas Point Beach.

Chalupsky works on paddling technique with Robyn Holman of Jefferson.

Oscar Chalupsky, 12-time World Champion surf ski kayak racer from South Africa, works with paddlers at Thomas Point Beach.

Chalupsky paddles a tandem boat with Mark Berry of Winter Harbor at the end of the lesson.

Chalupsky demonstrates proper paddling technique

A paddler cuts through the water during a surf ski kayak lesson with 12-time World Champion surf ski kayak racer Oscar Chalupsky.

Jon Hill and Hillary Alger of Winslow work on their paddling skills in the water at Thomas Point Beach in Brunswick.

Students work on paddling technique before entering the water.

Paddling enthusiasts listen to South African Oscar Chalupsky during a surf ski kayak lesson.

Champion racer Oscar Chalupsky demonstrates proper paddling technique.