diff --git a/boards/winterbloom_gemini/board.mk b/boards/winterbloom_gemini/board.mk
new file mode 100644
index 00000000..0a90fdf6
--- /dev/null
+++ b/boards/winterbloom_gemini/board.mk
@@ -0,0 +1,2 @@
+CHIP_FAMILY = samd21
+CHIP_VARIANT = SAMD21G18A
diff --git a/boards/winterbloom_gemini/board_config.h b/boards/winterbloom_gemini/board_config.h
new file mode 100644
index 00000000..38c97707
--- /dev/null
+++ b/boards/winterbloom_gemini/board_config.h
@@ -0,0 +1,17 @@
+#ifndef BOARD_CONFIG_H
+#define BOARD_CONFIG_H
+
+#define VENDOR_NAME "Winterbloom"
+#define PRODUCT_NAME "Gemini"
+#define VOLUME_LABEL "GEMINIBOOT"
+#define INDEX_URL "https://wntr.dev/gemini"
+#define BOARD_ID "SAMD21G18A-Winterbloom-Gemini-v0"
+
+#define USB_VID 0x239A
+// Allocated at https://github.com/adafruit/uf2-samdx1/issues/136
+#define USB_PID 0x00C3
+
+#define BOARD_RGBLED_CLOCK_PIN PIN_PB23
+#define BOARD_RGBLED_DATA_PIN PIN_PB22
+
+#endif