diff --git a/keyboards/boardsource/the_mark/config.h b/keyboards/boardsource/the_mark/config.h
index 507bac966..dd18ec814 100644
--- a/keyboards/boardsource/the_mark/config.h
+++ b/keyboards/boardsource/the_mark/config.h
@@ -53,6 +53,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLED_NUM 24    // Number of LEDs
 #endif
 
+/* RGB matrix support */
+#ifdef RGB_MATRIX_ENABLE
+#define DRIVER_LED_TOTAL 24 // Number of LEDs
+#endif
+
 /*
  * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
  */
diff --git a/keyboards/boardsource/the_mark/rules.mk b/keyboards/boardsource/the_mark/rules.mk
index 38ce53e30..8fb8f42bc 100644
--- a/keyboards/boardsource/the_mark/rules.mk
+++ b/keyboards/boardsource/the_mark/rules.mk
@@ -20,3 +20,5 @@ BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
 RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
 BLUETOOTH_ENABLE = no       # Enable Bluetooth
 AUDIO_ENABLE = no           # Audio output
+RGB_MATRIX_ENABLE = no		# Enable keyboard RGB matrix (do not use together with RGBLIGHT_ENABLE)
+RGB_MATRIX_DRIVER = WS2812	# RGB matrix driver support
diff --git a/keyboards/boardsource/the_mark/the_mark.c b/keyboards/boardsource/the_mark/the_mark.c
index 9d3dedc08..bb37974f6 100644
--- a/keyboards/boardsource/the_mark/the_mark.c
+++ b/keyboards/boardsource/the_mark/the_mark.c
@@ -15,3 +15,24 @@
  */
 
 #include "the_mark.h"
+
+/* Map physical under glow LEDs for RGB matrix support */
+#ifdef RGB_MATRIX_ENABLE
+led_config_t g_led_config = { {
+	// Key Matrix to LED Index
+	{ NO_LED, 10    , 9     , NO_LED, 8     , 7     , NO_LED, 6     , 5     , NO_LED, 4     , 3     , NO_LED, 2     , 1     , NO_LED },
+	{ NO_LED, 11    , NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, 0     , NO_LED },
+	{ NO_LED, 12    , NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, 23    , NO_LED },
+	{ NO_LED, 13    , 14    , NO_LED, 15    , 16    , NO_LED, 17    , 18    , NO_LED, 19    , 20    , NO_LED, 21    , 22    , NO_LED },
+	{ NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED },
+}, {
+	// LED Index to Physical Position
+	{224, 42}, {224, 21}, {209, 21}, {179, 21}, {164, 21}, {134, 21}, {119, 21}, {89, 21}, {74, 21}, {45, 21}, {30, 21}, {30, 42},
+	{30, 64}, {30, 85}, {45, 85}, {74, 85}, {89, 85}, {119, 85}, {134, 85}, {164, 85}, {179, 85}, {209, 85}, {224, 85}, {224, 64}
+}, {
+	// LED Index to Flag
+	LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL,
+	LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL,
+	LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL
+} };
+#endif