diff --git a/modules/services/window-managers/i3-sway/i3.nix b/modules/services/window-managers/i3-sway/i3.nix
index 635b74d7..9fd40cc8 100644
--- a/modules/services/window-managers/i3-sway/i3.nix
+++ b/modules/services/window-managers/i3-sway/i3.nix
@@ -17,7 +17,7 @@ let
       inherit (commonOptions)
         fonts window floating focus assigns modifier workspaceLayout
         workspaceAutoBackAndForth keycodebindings colors bars startup gaps menu
-        terminal;
+        terminal defaultWorkspace;
 
       keybindings = mkOption {
         type = types.attrsOf (types.nullOr types.str);
@@ -141,7 +141,7 @@ let
   inherit (commonFunctions)
     keybindingsStr keycodebindingsStr modeStr assignStr barStr gapsStr
     floatingCriteriaStr windowCommandsStr colorSetStr windowBorderString
-    fontConfigStr;
+    fontConfigStr keybindingDefaultWorkspace keybindingsRest;
 
   startupEntryStr = { command, always, notification, workspace, ... }: ''
     ${if always then "exec_always" else "exec"} ${
@@ -176,7 +176,8 @@ let
       client.placeholder ${colorSetStr colors.placeholder}
       client.background ${colors.background}
 
-      ${keybindingsStr { inherit keybindings; }}
+      ${keybindingsStr { keybindings = keybindingDefaultWorkspace; }}
+      ${keybindingsStr { keybindings = keybindingsRest; }}
       ${keycodebindingsStr keycodebindings}
       ${concatStringsSep "\n" (mapAttrsToList modeStr modes)}
       ${concatStringsSep "\n" (mapAttrsToList assignStr assigns)}
diff --git a/modules/services/window-managers/i3-sway/lib/functions.nix b/modules/services/window-managers/i3-sway/lib/functions.nix
index 09f1e2a1..2f82667d 100644
--- a/modules/services/window-managers/i3-sway/lib/functions.nix
+++ b/modules/services/window-managers/i3-sway/lib/functions.nix
@@ -8,6 +8,14 @@ rec {
       concatStringsSep " " (mapAttrsToList (k: v: ''${k}="${v}"'') criteria)
     }]";
 
+  keybindingDefaultWorkspace = filterAttrs (n: v:
+    cfg.config.defaultWorkspace != null && v == cfg.config.defaultWorkspace)
+    cfg.config.keybindings;
+
+  keybindingsRest = filterAttrs (n: v:
+    cfg.config.defaultWorkspace == null || v != cfg.config.defaultWorkspace)
+    cfg.config.keybindings;
+
   keybindingsStr = { keybindings, bindsymArgs ? "" }:
     concatStringsSep "\n" (mapAttrsToList (keycomb: action:
       optionalString (action != null) "bindsym ${
diff --git a/modules/services/window-managers/i3-sway/lib/options.nix b/modules/services/window-managers/i3-sway/lib/options.nix
index 874ecc5e..b29d5de6 100644
--- a/modules/services/window-managers/i3-sway/lib/options.nix
+++ b/modules/services/window-managers/i3-sway/lib/options.nix
@@ -819,4 +819,16 @@ in {
     description = "Default launcher to use.";
     example = "bemenu-run";
   };
+
+  defaultWorkspace = mkOption {
+    type = types.nullOr types.str;
+    default = null;
+    description = ''
+      The default workspace to show when ${
+        if isSway then "sway" else "i3"
+      } is launched.
+      This must to correspond to the value of the keybinding of the default workspace.
+    '';
+    example = "workspace number 9";
+  };
 }
diff --git a/modules/services/window-managers/i3-sway/sway.nix b/modules/services/window-managers/i3-sway/sway.nix
index 55672581..d10eda24 100644
--- a/modules/services/window-managers/i3-sway/sway.nix
+++ b/modules/services/window-managers/i3-sway/sway.nix
@@ -17,7 +17,7 @@ let
       inherit (commonOptions)
         fonts window floating focus assigns workspaceLayout
         workspaceAutoBackAndForth modifier keycodebindings colors bars startup
-        gaps menu terminal;
+        gaps menu terminal defaultWorkspace;
 
       left = mkOption {
         type = types.str;
@@ -246,7 +246,7 @@ let
   inherit (commonFunctions)
     keybindingsStr keycodebindingsStr modeStr assignStr barStr gapsStr
     floatingCriteriaStr windowCommandsStr colorSetStr windowBorderString
-    fontConfigStr;
+    fontConfigStr keybindingDefaultWorkspace keybindingsRest;
 
   startupEntryStr = { command, always, ... }: ''
     ${if always then "exec_always" else "exec"} ${command}
@@ -285,7 +285,12 @@ let
       client.background ${colors.background}
 
       ${keybindingsStr {
-        inherit keybindings;
+        keybindings = keybindingDefaultWorkspace;
+        bindsymArgs =
+          lib.optionalString (cfg.config.bindkeysToCode) "--to-code";
+      }}
+      ${keybindingsStr {
+        keybindings = keybindingsRest;
         bindsymArgs =
           lib.optionalString (cfg.config.bindkeysToCode) "--to-code";
       }}
diff --git a/tests/modules/services/window-managers/i3/default.nix b/tests/modules/services/window-managers/i3/default.nix
index ed63af78..7c8ff42f 100644
--- a/tests/modules/services/window-managers/i3/default.nix
+++ b/tests/modules/services/window-managers/i3/default.nix
@@ -4,4 +4,5 @@
   i3-fonts-deprecated = ./i3-fonts-deprecated.nix;
   i3-keybindings = ./i3-keybindings.nix;
   i3-null-config = ./i3-null-config.nix;
+  i3-workspace-default = ./i3-workspace-default.nix;
 }
diff --git a/tests/modules/services/window-managers/i3/i3-followmouse-expected.conf b/tests/modules/services/window-managers/i3/i3-followmouse-expected.conf
index d1ddfa8b..420f19e0 100644
--- a/tests/modules/services/window-managers/i3/i3-followmouse-expected.conf
+++ b/tests/modules/services/window-managers/i3/i3-followmouse-expected.conf
@@ -17,6 +17,7 @@ client.urgent #2f343a #900000 #ffffff #900000 #900000
 client.placeholder #000000 #0c0c0c #ffffff #000000 #0c0c0c
 client.background #ffffff
 
+
 bindsym Mod1+0 workspace number 10
 bindsym Mod1+1 workspace number 1
 bindsym Mod1+2 workspace number 2
diff --git a/tests/modules/services/window-managers/i3/i3-fonts-expected.conf b/tests/modules/services/window-managers/i3/i3-fonts-expected.conf
index 59fe6a7b..ecf69f07 100644
--- a/tests/modules/services/window-managers/i3/i3-fonts-expected.conf
+++ b/tests/modules/services/window-managers/i3/i3-fonts-expected.conf
@@ -17,6 +17,7 @@ client.urgent #2f343a #900000 #ffffff #900000 #900000
 client.placeholder #000000 #0c0c0c #ffffff #000000 #0c0c0c
 client.background #ffffff
 
+
 bindsym Mod1+0 workspace number 10
 bindsym Mod1+1 workspace number 1
 bindsym Mod1+2 workspace number 2
diff --git a/tests/modules/services/window-managers/i3/i3-keybindings-expected.conf b/tests/modules/services/window-managers/i3/i3-keybindings-expected.conf
index 2e03d464..ceffb162 100644
--- a/tests/modules/services/window-managers/i3/i3-keybindings-expected.conf
+++ b/tests/modules/services/window-managers/i3/i3-keybindings-expected.conf
@@ -17,6 +17,7 @@ client.urgent #2f343a #900000 #ffffff #900000 #900000
 client.placeholder #000000 #0c0c0c #ffffff #000000 #0c0c0c
 client.background #ffffff
 
+
 bindsym Mod1+0 workspace number 10
 bindsym Mod1+1 workspace number 1
 bindsym Mod1+2 workspace number 2
diff --git a/tests/modules/services/window-managers/i3/i3-workspace-default-expected.conf b/tests/modules/services/window-managers/i3/i3-workspace-default-expected.conf
new file mode 100644
index 00000000..52ed1c72
--- /dev/null
+++ b/tests/modules/services/window-managers/i3/i3-workspace-default-expected.conf
@@ -0,0 +1,105 @@
+font pango:monospace 8.000000
+floating_modifier Mod1
+default_border normal 2
+default_floating_border normal 2
+hide_edge_borders none
+force_focus_wrapping no
+focus_follows_mouse yes
+focus_on_window_activation smart
+mouse_warping output
+workspace_layout default
+workspace_auto_back_and_forth no
+
+client.focused #4c7899 #285577 #ffffff #2e9ef4 #285577
+client.focused_inactive #333333 #5f676a #ffffff #484e50 #5f676a
+client.unfocused #333333 #222222 #888888 #292d2e #222222
+client.urgent #2f343a #900000 #ffffff #900000 #900000
+client.placeholder #000000 #0c0c0c #ffffff #000000 #0c0c0c
+client.background #ffffff
+
+bindsym Mod1+1 workspace number 1
+bindsym Mod1+0 workspace number 10
+bindsym Mod1+2 workspace number 2
+bindsym Mod1+3 workspace number 3
+bindsym Mod1+4 workspace number 4
+bindsym Mod1+5 workspace number 5
+bindsym Mod1+6 workspace number 6
+bindsym Mod1+7 workspace number 7
+bindsym Mod1+8 workspace number 8
+bindsym Mod1+9 workspace number 9
+bindsym Mod1+Down focus down
+bindsym Mod1+Left focus left
+bindsym Mod1+Return exec i3-sensible-terminal
+bindsym Mod1+Right focus right
+bindsym Mod1+Shift+0 move container to workspace number 10
+bindsym Mod1+Shift+1 move container to workspace number 1
+bindsym Mod1+Shift+2 move container to workspace number 2
+bindsym Mod1+Shift+3 move container to workspace number 3
+bindsym Mod1+Shift+4 move container to workspace number 4
+bindsym Mod1+Shift+5 move container to workspace number 5
+bindsym Mod1+Shift+6 move container to workspace number 6
+bindsym Mod1+Shift+7 move container to workspace number 7
+bindsym Mod1+Shift+8 move container to workspace number 8
+bindsym Mod1+Shift+9 move container to workspace number 9
+bindsym Mod1+Shift+Down move down
+bindsym Mod1+Shift+Left move left
+bindsym Mod1+Shift+Right move right
+bindsym Mod1+Shift+Up move up
+bindsym Mod1+Shift+c reload
+bindsym Mod1+Shift+e exec i3-nagbar -t warning -m 'Do you want to exit i3?' -b 'Yes' 'i3-msg exit'
+bindsym Mod1+Shift+minus move scratchpad
+bindsym Mod1+Shift+q kill
+bindsym Mod1+Shift+r restart
+bindsym Mod1+Shift+space floating toggle
+bindsym Mod1+Up focus up
+bindsym Mod1+a focus parent
+bindsym Mod1+d exec @dmenu@/bin/dmenu_run
+bindsym Mod1+e layout toggle split
+bindsym Mod1+f fullscreen toggle
+bindsym Mod1+h split h
+bindsym Mod1+minus scratchpad show
+bindsym Mod1+r mode resize
+bindsym Mod1+s layout stacking
+bindsym Mod1+space focus mode_toggle
+bindsym Mod1+v split v
+bindsym Mod1+w layout tabbed
+
+mode "resize" {
+bindsym Down resize grow height 10 px or 10 ppt
+bindsym Escape mode default
+bindsym Left resize shrink width 10 px or 10 ppt
+bindsym Return mode default
+bindsym Right resize grow width 10 px or 10 ppt
+bindsym Up resize shrink height 10 px or 10 ppt
+}
+
+
+bar {
+  
+  font pango:monospace 8.000000
+  mode dock
+  hidden_state hide
+  position bottom
+  status_command @i3status@/bin/i3status
+  i3bar_command @i3@/bin/i3bar
+  workspace_buttons yes
+  strip_workspace_numbers no
+  tray_output primary
+  colors {
+    background #000000
+    statusline #ffffff
+    separator #666666
+    focused_workspace #4c7899 #285577 #ffffff
+    active_workspace #333333 #5f676a #ffffff
+    inactive_workspace #333333 #222222 #888888
+    urgent_workspace #2f343a #900000 #ffffff
+    binding_mode #2f343a #900000 #ffffff
+  }
+  
+}
+
+
+
+
+
+
diff --git a/tests/modules/services/window-managers/i3/i3-workspace-default.nix b/tests/modules/services/window-managers/i3/i3-workspace-default.nix
new file mode 100644
index 00000000..0a825b1e
--- /dev/null
+++ b/tests/modules/services/window-managers/i3/i3-workspace-default.nix
@@ -0,0 +1,21 @@
+{ config, lib, ... }:
+
+with lib;
+
+{
+  config = {
+    xsession.windowManager.i3 = {
+      enable = true;
+
+      config.defaultWorkspace = "workspace number 1";
+    };
+
+    nixpkgs.overlays = [ (import ./i3-overlay.nix) ];
+
+    nmt.script = ''
+      assertFileExists home-files/.config/i3/config
+      assertFileContent home-files/.config/i3/config \
+        ${./i3-workspace-default-expected.conf}
+    '';
+  };
+}
diff --git a/tests/modules/services/window-managers/sway/default.nix b/tests/modules/services/window-managers/sway/default.nix
index 662f6357..14aa1932 100644
--- a/tests/modules/services/window-managers/sway/default.nix
+++ b/tests/modules/services/window-managers/sway/default.nix
@@ -6,4 +6,5 @@
   sway-null-config = ./sway-null-config.nix;
   sway-null-package = ./sway-null-package.nix;
   sway-modules = ./sway-modules.nix;
+  sway-workspace-default = ./sway-workspace-default.nix;
 }
diff --git a/tests/modules/services/window-managers/sway/sway-default.conf b/tests/modules/services/window-managers/sway/sway-default.conf
index 1ab327a4..ec4ae0bc 100644
--- a/tests/modules/services/window-managers/sway/sway-default.conf
+++ b/tests/modules/services/window-managers/sway/sway-default.conf
@@ -17,6 +17,7 @@ client.urgent #2f343a #900000 #ffffff #900000 #900000
 client.placeholder #000000 #0c0c0c #ffffff #000000 #0c0c0c
 client.background #ffffff
 
+
 bindsym Mod1+1 workspace number 1
 bindsym Mod1+2 workspace number 2
 bindsym Mod1+3 workspace number 3
diff --git a/tests/modules/services/window-managers/sway/sway-followmouse-expected.conf b/tests/modules/services/window-managers/sway/sway-followmouse-expected.conf
index f64b05df..4eae3679 100644
--- a/tests/modules/services/window-managers/sway/sway-followmouse-expected.conf
+++ b/tests/modules/services/window-managers/sway/sway-followmouse-expected.conf
@@ -17,6 +17,7 @@ client.urgent #2f343a #900000 #ffffff #900000 #900000
 client.placeholder #000000 #0c0c0c #ffffff #000000 #0c0c0c
 client.background #ffffff
 
+
 bindsym Mod1+1 workspace number 1
 bindsym Mod1+2 workspace number 2
 bindsym Mod1+3 workspace number 3
diff --git a/tests/modules/services/window-managers/sway/sway-followmouse-legacy-expected.conf b/tests/modules/services/window-managers/sway/sway-followmouse-legacy-expected.conf
index 5eb26cdd..c6497eb6 100644
--- a/tests/modules/services/window-managers/sway/sway-followmouse-legacy-expected.conf
+++ b/tests/modules/services/window-managers/sway/sway-followmouse-legacy-expected.conf
@@ -17,6 +17,7 @@ client.urgent #2f343a #900000 #ffffff #900000 #900000
 client.placeholder #000000 #0c0c0c #ffffff #000000 #0c0c0c
 client.background #ffffff
 
+
 bindsym Mod1+1 workspace number 1
 bindsym Mod1+2 workspace number 2
 bindsym Mod1+3 workspace number 3
diff --git a/tests/modules/services/window-managers/sway/sway-modules.conf b/tests/modules/services/window-managers/sway/sway-modules.conf
index 9fbdee0d..7c24ba5c 100644
--- a/tests/modules/services/window-managers/sway/sway-modules.conf
+++ b/tests/modules/services/window-managers/sway/sway-modules.conf
@@ -17,6 +17,7 @@ client.urgent #2f343a #900000 #ffffff #900000 #900000
 client.placeholder #000000 #0c0c0c #ffffff #000000 #0c0c0c
 client.background #ffffff
 
+
 bindsym Mod1+1 workspace number 1
 bindsym Mod1+2 workspace number 2
 bindsym Mod1+3 workspace number 3
diff --git a/tests/modules/services/window-managers/sway/sway-null-package.conf b/tests/modules/services/window-managers/sway/sway-null-package.conf
index 86c9b98e..b4f27cee 100644
--- a/tests/modules/services/window-managers/sway/sway-null-package.conf
+++ b/tests/modules/services/window-managers/sway/sway-null-package.conf
@@ -17,6 +17,7 @@ client.urgent #2f343a #900000 #ffffff #900000 #900000
 client.placeholder #000000 #0c0c0c #ffffff #000000 #0c0c0c
 client.background #ffffff
 
+
 bindsym Mod1+1 workspace number 1
 bindsym Mod1+2 workspace number 2
 bindsym Mod1+3 workspace number 3
diff --git a/tests/modules/services/window-managers/sway/sway-workspace-default-expected.conf b/tests/modules/services/window-managers/sway/sway-workspace-default-expected.conf
new file mode 100644
index 00000000..dd15fcbf
--- /dev/null
+++ b/tests/modules/services/window-managers/sway/sway-workspace-default-expected.conf
@@ -0,0 +1,110 @@
+font pango:monospace 8.000000
+floating_modifier Mod1
+default_border pixel 2
+default_floating_border pixel 2
+hide_edge_borders none
+focus_wrapping no
+focus_follows_mouse yes
+focus_on_window_activation smart
+mouse_warping output
+workspace_layout default
+workspace_auto_back_and_forth no
+
+client.focused #4c7899 #285577 #ffffff #2e9ef4 #285577
+client.focused_inactive #333333 #5f676a #ffffff #484e50 #5f676a
+client.unfocused #333333 #222222 #888888 #292d2e #222222
+client.urgent #2f343a #900000 #ffffff #900000 #900000
+client.placeholder #000000 #0c0c0c #ffffff #000000 #0c0c0c
+client.background #ffffff
+
+bindsym Mod1+9 workspace number 9
+bindsym Mod1+1 workspace number 1
+bindsym Mod1+2 workspace number 2
+bindsym Mod1+3 workspace number 3
+bindsym Mod1+4 workspace number 4
+bindsym Mod1+5 workspace number 5
+bindsym Mod1+6 workspace number 6
+bindsym Mod1+7 workspace number 7
+bindsym Mod1+8 workspace number 8
+bindsym Mod1+Down focus down
+bindsym Mod1+Left focus left
+bindsym Mod1+Return exec @rxvt-unicode-unwrapped@/bin/urxvt
+bindsym Mod1+Right focus right
+bindsym Mod1+Shift+1 move container to workspace number 1
+bindsym Mod1+Shift+2 move container to workspace number 2
+bindsym Mod1+Shift+3 move container to workspace number 3
+bindsym Mod1+Shift+4 move container to workspace number 4
+bindsym Mod1+Shift+5 move container to workspace number 5
+bindsym Mod1+Shift+6 move container to workspace number 6
+bindsym Mod1+Shift+7 move container to workspace number 7
+bindsym Mod1+Shift+8 move container to workspace number 8
+bindsym Mod1+Shift+9 move container to workspace number 9
+bindsym Mod1+Shift+Down move down
+bindsym Mod1+Shift+Left move left
+bindsym Mod1+Shift+Right move right
+bindsym Mod1+Shift+Up move up
+bindsym Mod1+Shift+c reload
+bindsym Mod1+Shift+e exec swaynag -t warning -m 'You pressed the exit shortcut. Do you really want to exit sway? This will end your Wayland session.' -b 'Yes, exit sway' 'swaymsg exit'
+bindsym Mod1+Shift+h move left
+bindsym Mod1+Shift+j move down
+bindsym Mod1+Shift+k move up
+bindsym Mod1+Shift+l move right
+bindsym Mod1+Shift+minus move scratchpad
+bindsym Mod1+Shift+q kill
+bindsym Mod1+Shift+space floating toggle
+bindsym Mod1+Up focus up
+bindsym Mod1+a focus parent
+bindsym Mod1+b splith
+bindsym Mod1+d exec @dmenu@/bin/dmenu_run
+bindsym Mod1+e layout toggle split
+bindsym Mod1+f fullscreen toggle
+bindsym Mod1+h focus left
+bindsym Mod1+j focus down
+bindsym Mod1+k focus up
+bindsym Mod1+l focus right
+bindsym Mod1+minus scratchpad show
+bindsym Mod1+r mode resize
+bindsym Mod1+s layout stacking
+bindsym Mod1+space focus mode_toggle
+bindsym Mod1+v splitv
+bindsym Mod1+w layout tabbed
+
+mode "resize" {
+bindsym Down resize grow height 10 px
+bindsym Escape mode default
+bindsym Left resize shrink width 10 px
+bindsym Return mode default
+bindsym Right resize grow width 10 px
+bindsym Up resize shrink height 10 px
+bindsym h resize shrink width 10 px
+bindsym j resize grow height 10 px
+bindsym k resize shrink height 10 px
+bindsym l resize grow width 10 px
+}
+
+bar {
+  
+  font pango:monospace 8.000000
+  mode dock
+  hidden_state hide
+  position bottom
+  status_command @i3status@/bin/i3status
+  swaybar_command @sway/bin/swaybar
+  workspace_buttons yes
+  strip_workspace_numbers no
+  tray_output primary
+  colors {
+    background #000000
+    statusline #ffffff
+    separator #666666
+    focused_workspace #4c7899 #285577 #ffffff
+    active_workspace #333333 #5f676a #ffffff
+    inactive_workspace #333333 #222222 #888888
+    urgent_workspace #2f343a #900000 #ffffff
+    binding_mode #2f343a #900000 #ffffff
+  }
+  
+}
+
+
+exec "systemctl --user import-environment; systemctl --user start sway-session.target"
diff --git a/tests/modules/services/window-managers/sway/sway-workspace-default.nix b/tests/modules/services/window-managers/sway/sway-workspace-default.nix
new file mode 100644
index 00000000..52f4f3ec
--- /dev/null
+++ b/tests/modules/services/window-managers/sway/sway-workspace-default.nix
@@ -0,0 +1,27 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  dummy-package = pkgs.runCommandLocal "dummy-package" { } "mkdir $out";
+
+in {
+  config = {
+    wayland.windowManager.sway = {
+      enable = true;
+      package = dummy-package // { outPath = "@sway"; };
+      # overriding findutils causes issues
+      config.menu = "${pkgs.dmenu}/bin/dmenu_run";
+      config.defaultWorkspace = "workspace number 9";
+    };
+
+    nixpkgs.overlays = [ (import ./sway-overlay.nix) ];
+
+    nmt.script = ''
+      assertFileExists home-files/.config/sway/config
+      assertFileContent home-files/.config/sway/config \
+        ${./sway-workspace-default-expected.conf}
+    '';
+  };
+}