Whether the child is 1 or 70 any person or pet that cannot reliably respond to NO is best left at the dock, at home, or back at the hotel away from the pool.

If you must put someone that cannot be counted on to take care of themselves anywhere near the water for an extended period of time. 7x24 7 days?

You should take great care in procuring great and comfortable PFD's Take special note on the fabric and fit. Always have more than one. Three if need be. You always wanta dry PFD just like every mom knows you want dry diapers.

If would not want to wear the PFD fabric 24x7 the baby will not want to wear it either.

Always have PFD's with a handle or strap behind the head. The stap may save the little one from going over the side and that stap will be what you will use to pluck the baby from the water when the MOB happens.

If you have any doubt on the willpower of all the adults to keep the non swimmers in a PFD 24/7 rent a house away from the water.

Not all adults and children are created equal. Measure your complete group and temperament and think about it. A one year old will get no value by being on a boat 24/7. Any sofa with people who love the child will be plenty.

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