diff --git a/src/components/layouts/BaseSideBarLayout.vue b/src/components/layouts/BaseSideBarLayout.vue
index f2229074..bbe1a320 100644
--- a/src/components/layouts/BaseSideBarLayout.vue
+++ b/src/components/layouts/BaseSideBarLayout.vue
@@ -17,18 +17,17 @@
 
 <template>
   <div class="sidebarlayout">
-
     <header class="main-header">
       <div class="level header-title is-marginless">
         <div class="level-left">
-          <div class="level-item is-pulled-left">
+          <div v-if="showMenu" class="level-item is-pulled-left">
             <a role="button"
                class="navbar-hamburger has-text-dark"
                aria-label="Open Navigation Menu"
                aria-expanded="false"
                @click="toggleSidebar()"
             >
-              <MenuIcon v-if="showMenuToggle"></MenuIcon>
+              <MenuIcon ></MenuIcon>
             </a>
           </div>
           <div class="level-item">
@@ -119,6 +118,10 @@ import UserStatusMenu from "@/components/layouts/menus/UserStatusMenu.vue";
     @Prop({default: true})
     showMenu?: boolean;
 
+  mounted () {
+    // IF the screen is narrow and DeltaBreed is in private-sandbox or coordinator-sandbox modes, THEN default the sidebar to "hidden".
+    store.commit(SHOW_SIDEBAR_MOBILE, (window.matchMedia("(min-width: 700px)").matches && (this.sandboxConfig === '1' || this.sandboxConfig === SandboxMode.Coordinator)));
+  }
     toggleSidebar() {
       store.commit(SHOW_SIDEBAR_MOBILE, !this.showSidebarMobile);
     }
diff --git a/src/components/layouts/InfoSideBarLayout.vue b/src/components/layouts/InfoSideBarLayout.vue
index 6b1442f0..913ffd1c 100644
--- a/src/components/layouts/InfoSideBarLayout.vue
+++ b/src/components/layouts/InfoSideBarLayout.vue
@@ -56,10 +56,13 @@
           >
             Guest Account
           </h1>
-          <p class="has-text-light is-paddingless">
+          <p class="has-text-light is-paddingless mb-3">
             Use these credentials to explore sample data and currently available features.
           </p>
-          <div class="is-hidden-touch">
+          <p class="has-text-light is-paddingless">
+            Data submitted to this site is not private.
+          </p>
+          <div>
             <hr class="is-light">
             <div class="columns is-gapless">
               <div class="column is-narrow mr-2">
@@ -81,7 +84,7 @@
 
           <article class="block">
             <h2 class="has-text-warning is-5 is-normal">
-              Guest
+              Sandbox Guest
             </h2>
             <p class="has-text-light is-paddingless is-marginless">
               user: guestusr@mailinator.com