Yes. There's a patchwork of state laws, and there are federal Coast Guard requirements that cover states without their own laws. Generally, children have to wea

Yes. There's a patchwork of state laws, and there are federal Coast Guard requirements that cover states without their own laws. Generally, children have to wear life jackets, and there needs to be one for every adult on board. Depending on the state, adults may be required to wear them on certain types of boats or when transiting over certain underwater features.