diff --git a/fbfmaproom/fbflayout.py b/fbfmaproom/fbflayout.py
index 997c4730..122b57ab 100644
--- a/fbfmaproom/fbflayout.py
+++ b/fbfmaproom/fbflayout.py
@@ -82,14 +82,15 @@ def map_layout():
                             url="https://cartodb-basemaps-{s}.global.ssl.fastly.net/light_all/{z}/{x}/{y}.png",
                         ),
                         name="Street",
-                        checked=True,
+                        checked=False,
                     ),
                     dlf.BaseLayer(
                         dlf.TileLayer(
-                            url="https://{s}.tile.opentopomap.org/{z}/{x}/{y}.png"
+                            url="https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}",
+                            attribution="Tiles © Esri",
                         ),
-                        name="Topo",
-                        checked=False,
+                        name="Satellite",
+                        checked=True,
                     ),
                     dlf.Overlay(
                         dlf.GeoJSON(