pad·dle·board 
(pădl-bôrd′)
(pădl-bôrd′)n.
A surfboard or similar long narrow board that a rider propels over the water, often in a standing position by means of a long-handled paddle.
intr.v. pad·dle·board·ed, pad·dle·board·ing, pad·dle·boards
To ride or propel a paddleboard.