Angel Island in the middle of the San Francisco Bay is a jewel. It's been unusually preserved as a park and More About Angel Island and Ways to Get There:

• Angel Island Association Web Site, www.angelisland.org, for the Angel Island maps, charts, trails, hours and points of interest. Angel Island
  Angel Island Association (415) 435-3522 and Park information (415) 435-1915
  Check out the Angel Island Webcam, a nearly live photo of Ayala Cove on Angel Island State Park from the second floor of the Visitor's Center.
• SF Bay Adventures
  SFbayAdventures.com offers many ways to get to Angel Island from small boats to motor yachts. They can plan a corporate off site picnic or barbecue including team building sailing exercises on the way. They do do large group Angel Island Barbecues and even wedding receptions.
  Call 415.331.0444 to discuss your Angel Island Day Trip Adventures.
  SF Bay Adventures Website
  

Aerial View of Angel Island, Tiborun, Belvedere and light Summer fog. ©SFBAYIMAGES.com.