139081
In summer 1926 , while attending a Scout conference on Coronado Island , California , Miller met his future wife , Margaret ( Peggy ) McBride .
 Coronado Island , California
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Coronado Island , California