Some great lodging ideas:

1.  Rent a house on the lake (many are large and can accommodate multiple generations).  Be sure to check if there are daily or weekly rentals.  

     Klinger Lake Cottages

2.  Hotels in Sturgis, MI or Howe, IN are just a short drive away:

     Holiday Inn Express - Howe
     Hilton - Sturgis
     Wyndham Hotel - Sturgis
     Best Western - Howe

3.  There are limited spots for tent camping or motor homes on the premises -- please contact Renée Farrell at (619) 933-5814 for more information or to reserve a spot.