Please visit these sites to learn more about marathon and ultra-marathon swimming, international swims, global sanctioning organizations, as well as local swims and organizations in the Monterey Bay area.

Swims and Sanctioning Organizations

• Pacific OW (San Francisco Bay)
• SBCSA (Santa Barbara Channel Islands)
• LTMSF (Lake Tahoe)​
• LTOWSA (Lake Tahoe)
• CCSF (Catalina Channel)
• FISF (Farallon Islands)
• SCAR (The Scar Swim)

• CSA  (English Channel)
• CS&PF (English Channel)
• ILDSA (North Channel)
• Kaiwi CSA (Molokai Channel)

• MIMS (Manhattan Island)
• TCSA (Tsuagru Strait)
• ACNEG (Strait of Gibralter)
• IISA (Ice Swimming)
• SFEA (Strokes for Egypt)

Swimming Info, Forums, Blogs...

• Marathon Swimmers Forum

• Daily News OWS
• Openwaterpedia
  
• Lone Swimmer
• Rob Aquatics
• 10 Mile Swim

More Friends of MBSA

• Marathon Swimmers Federation (MSF)
• Nomad Sailing & Swimming Charters
  
• Clean Oceans Project
• La Jolla Cove Swim Club

Local Open Water Swim Groups

• SC Masters
• SERC
• Dolphin Club