Here are a few of the local news letters that I am aware of.
As always, if you know of another source of local news please ad your two cents and post it here.

I'll start with one that I am very involved with. As a club member I hold the title of webmaster and E-Growl Publisher.
Seal Beach Lions Club Growl

Bogart's Coffee House, located on Ocean, near the pier publishes a monthly news letter listing their current events and gatherings.
Bogart's Events

Sunset Beach Community Association Newsletter.
http://www.sunsetbeachca.org/newsletter/SBN.pdf