diff --git a/pyicloud/base.py b/pyicloud/base.py
index 34bd6a6..24cfc0b 100644
--- a/pyicloud/base.py
+++ b/pyicloud/base.py
@@ -145,13 +145,14 @@ class PyiCloudService(object):
 
     def __init__(
         self, apple_id, password=None, cookie_directory=None, verify=True,
-        client_id=None
+        client_id=None, with_family=True
     ):
         if password is None:
             password = get_password_from_keyring(apple_id)
 
         self.data = {}
         self.client_id = client_id or str(uuid.uuid1()).upper()
+        self.with_family = with_family
         self.user = {'apple_id': apple_id, 'password': password}
 
         self._password_filter = PyiCloudPasswordFilter(password)
@@ -314,7 +315,8 @@ class PyiCloudService(object):
         return FindMyiPhoneServiceManager(
             service_root,
             self.session,
-            self.params
+            self.params,
+            self.with_family
         )
 
     @property
diff --git a/pyicloud/services/findmyiphone.py b/pyicloud/services/findmyiphone.py
index 653fa6b..dc7c0ba 100644
--- a/pyicloud/services/findmyiphone.py
+++ b/pyicloud/services/findmyiphone.py
@@ -14,15 +14,16 @@ class FindMyiPhoneServiceManager(object):
 
     """
 
-    def __init__(self, service_root, session, params):
+    def __init__(self, service_root, session, params, with_family=False):
         self.session = session
         self.params = params
-        self._service_root = service_root
-        self._fmip_endpoint = '%s/fmipservice/client/web' % self._service_root
-        self._fmip_refresh_url = '%s/refreshClient' % self._fmip_endpoint
-        self._fmip_sound_url = '%s/playSound' % self._fmip_endpoint
-        self._fmip_message_url = '%s/sendMessage' % self._fmip_endpoint
-        self._fmip_lost_url = '%s/lostDevice' % self._fmip_endpoint
+        self.with_family = with_family
+
+        fmip_endpoint = '%s/fmipservice/client/web' % service_root
+        self._fmip_refresh_url = '%s/refreshClient' % fmip_endpoint
+        self._fmip_sound_url = '%s/playSound' % fmip_endpoint
+        self._fmip_message_url = '%s/sendMessage' % fmip_endpoint
+        self._fmip_lost_url = '%s/lostDevice' % fmip_endpoint
 
         self._devices = {}
         self.refresh_client()
@@ -39,7 +40,7 @@ class FindMyiPhoneServiceManager(object):
             data=json.dumps(
                 {
                     'clientContext': {
-                        'fmly': True,
+                        'fmly': self.with_family,
                         'shouldLocate': True,
                         'selectedDevice': 'all',
                     }
@@ -134,7 +135,7 @@ class AppleDevice(object):
             'device': self.content['id'],
             'subject': subject,
             'clientContext': {
-                'fmly': True
+                'fmly': self.with_family
             }
         })
         self.session.post(