RedactedNarrative: Operator of vessel #1 stated while boating on east bay he and his friends met a bachelorette party.  The two groups decided to anchor and get in the water wile in the water other boats were making it wavy, the groups noticed that their boats were hitting each other due to the waves.  No visible damages to the bachelorette party's boat.  PFDs were used as bumpers, but was not sufficient.  No one was injured.