I found a whole new Control Panel area called "Site Permission"

I've set the controls over various services and functions as follows:

View Profiles - users/not guests
Create Public Calendar Events - users/not guests
Search The Site - users/not guests
Email Posts to Others - users/not guests
See the Shoutbox - users/not guests
View the Member List - users/not guests
See Extra User Info - Moderators/not users/not guests (such as IP Address, referring page)

The Calendar would be appropriate for lighthouse and Harbour Lights related events. Birthdays and Anniversaries as you wish. Past Harbour Lights Reunions, the 2011 Cruise to Alaska, etc.

I'll look to the Saints and Users to populate the Calendar and verify the accuracy of the information posted there.

To View the Calendar, click on the Calendar link center of every page just below the banner.