Mattapoisett Recreation is invited residents to celebrate the start of the summer season with Town Beach opening day on Saturday, June 20. The newly renovated Town Beach House will also be open.

The party is from 12 to 3 p.m. DJ Desmond Bourne will supply the music.

Seahorse Explorer counselors will host Beach Olympics with games and races for all ages. There will be crafts, face painting, popcorn and The Seaport Slip is hosting a free ice cream sundae party.