PFDs must be worn by passengers on a vessel that is operating at speed higher than slow-no-wake-speed.

Boat Length

Vessels of all lengths should comply with the specified laws on wearing of PFDs.

Compulsory PFD Requirements for South Dakota

Children under seven years should always be in a USCG-approved life jacket when in a vessel operating at greater than slow-no-wake-speed.

Exceptions from wearing PFDs in South Dakota

When a child is below deck or riding in an enclosed cabin, they are exempt from wearing a PFD.

Disclaimer: The information presented here is meant to be a general reference for educational purposes. Please check with your state for the most up to date information and any current changes in the laws. Source: BoatUS