diff --git a/ports/esp32/boards/SEEED_XIAO_ESP32C3/board.json b/ports/esp32/boards/SEEED_XIAO_ESP32C3/board.json
new file mode 100644
index 0000000000..46ceb1a8c6
--- /dev/null
+++ b/ports/esp32/boards/SEEED_XIAO_ESP32C3/board.json
@@ -0,0 +1,19 @@
+{
+    "deploy": [
+        "../deploy_c3.md"
+    ],
+    "docs": "",
+    "features": [
+        "BLE",
+        "USB-C",
+        "WiFi"
+    ],
+    "images": [
+        "xiao_esp32c3.jpg"
+    ],
+    "mcu": "esp32c3",
+    "product": "XIAO-ESP32C3",
+    "thumbnail": "",
+    "url": "https://wiki.seeedstudio.com/XIAO_ESP32C3_Getting_Started/",
+    "vendor": "Seeed Studio"
+}
diff --git a/ports/esp32/boards/SEEED_XIAO_ESP32C3/manifest.py b/ports/esp32/boards/SEEED_XIAO_ESP32C3/manifest.py
new file mode 100644
index 0000000000..f993d4fa6b
--- /dev/null
+++ b/ports/esp32/boards/SEEED_XIAO_ESP32C3/manifest.py
@@ -0,0 +1,2 @@
+include("$(PORT_DIR)/boards/manifest.py")
+freeze("./modules")
diff --git a/ports/esp32/boards/SEEED_XIAO_ESP32C3/modules/xiao.py b/ports/esp32/boards/SEEED_XIAO_ESP32C3/modules/xiao.py
new file mode 100644
index 0000000000..1c0f82b5cf
--- /dev/null
+++ b/ports/esp32/boards/SEEED_XIAO_ESP32C3/modules/xiao.py
@@ -0,0 +1,12 @@
+# Seeed XIAO ESP32 C3 MicroPython Helper Library
+
+from micropython import const
+
+# SPI
+SPI_MOSI = const(10)
+SPI_MISO = const(9)
+SPI_CLK = const(8)
+
+# I2C
+I2C_SDA = const(6)
+I2C_SCL = const(7)
diff --git a/ports/esp32/boards/SEEED_XIAO_ESP32C3/mpconfigboard.cmake b/ports/esp32/boards/SEEED_XIAO_ESP32C3/mpconfigboard.cmake
new file mode 100644
index 0000000000..4efc554abd
--- /dev/null
+++ b/ports/esp32/boards/SEEED_XIAO_ESP32C3/mpconfigboard.cmake
@@ -0,0 +1,9 @@
+set(IDF_TARGET esp32c3)
+
+set(SDKCONFIG_DEFAULTS
+    boards/sdkconfig.base
+    boards/sdkconfig.ble
+    boards/SEEED_XIAO_ESP32C3/sdkconfig.board
+)
+
+set(MICROPY_FROZEN_MANIFEST ${MICROPY_BOARD_DIR}/manifest.py)
diff --git a/ports/esp32/boards/SEEED_XIAO_ESP32C3/mpconfigboard.h b/ports/esp32/boards/SEEED_XIAO_ESP32C3/mpconfigboard.h
new file mode 100644
index 0000000000..513cbae77f
--- /dev/null
+++ b/ports/esp32/boards/SEEED_XIAO_ESP32C3/mpconfigboard.h
@@ -0,0 +1,14 @@
+#define MICROPY_HW_BOARD_NAME               "Seeed XIAO ESP32C3"
+#define MICROPY_HW_MCU_NAME                 "ESP32-C3FN4"
+#define MICROPY_PY_NETWORK_HOSTNAME_DEFAULT "XIAO-ESP32C3"
+
+#define MICROPY_HW_ENABLE_SDCARD            (0)
+#define MICROPY_PY_MACHINE_DAC              (0)
+#define MICROPY_PY_MACHINE_I2S              (0)
+
+#define MICROPY_HW_I2C0_SCL                 (7)
+#define MICROPY_HW_I2C0_SDA                 (6)
+
+#define MICROPY_HW_SPI1_MOSI                (10)
+#define MICROPY_HW_SPI1_MISO                (9)
+#define MICROPY_HW_SPI1_SCK                 (8)
diff --git a/ports/esp32/boards/SEEED_XIAO_ESP32C3/sdkconfig.board b/ports/esp32/boards/SEEED_XIAO_ESP32C3/sdkconfig.board
new file mode 100644
index 0000000000..d9e7c7f61f
--- /dev/null
+++ b/ports/esp32/boards/SEEED_XIAO_ESP32C3/sdkconfig.board
@@ -0,0 +1,7 @@
+CONFIG_ESP32C3_REV_MIN_3=y
+CONFIG_ESP32C3_BROWNOUT_DET=y
+CONFIG_ESP32C3_BROWNOUT_DET_LVL_SEL_7=
+CONFIG_ESP32C3_BROWNOUT_DET_LVL_SEL_4=y
+CONFIG_ESP32C3_BROWNOUT_DET_LVL=4
+CONFIG_ESP_CONSOLE_UART_DEFAULT=
+CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG=y
diff --git a/ports/esp32/boards/SEEED_XIAO_ESP32S3/board.json b/ports/esp32/boards/SEEED_XIAO_ESP32S3/board.json
new file mode 100644
index 0000000000..267eadd494
--- /dev/null
+++ b/ports/esp32/boards/SEEED_XIAO_ESP32S3/board.json
@@ -0,0 +1,23 @@
+{
+    "deploy": [
+        "../deploy_s3.md"
+    ],
+    "docs": "",
+    "features": [
+        "SPIRAM",
+        "USB-C",
+        "WiFi",
+        "BLE"
+    ],
+    "features_non_filterable": [
+    ],
+    "id": "xiao",
+    "images": [
+        "xiao_esp32s3.jpg"
+    ],
+    "mcu": "esp32s3",
+    "product": "XIAO-ESP32S3",
+    "thumbnail": "",
+    "url": "https://wiki.seeedstudio.com/xiao_esp32s3_getting_started/",
+    "vendor": "Seeed Studio"
+}
diff --git a/ports/esp32/boards/SEEED_XIAO_ESP32S3/manifest.py b/ports/esp32/boards/SEEED_XIAO_ESP32S3/manifest.py
new file mode 100644
index 0000000000..7ae2ed15d9
--- /dev/null
+++ b/ports/esp32/boards/SEEED_XIAO_ESP32S3/manifest.py
@@ -0,0 +1,2 @@
+include("$(PORT_DIR)/boards/manifest.py")
+freeze("modules")
diff --git a/ports/esp32/boards/SEEED_XIAO_ESP32S3/modules/xiao.py b/ports/esp32/boards/SEEED_XIAO_ESP32S3/modules/xiao.py
new file mode 100644
index 0000000000..6864f3de10
--- /dev/null
+++ b/ports/esp32/boards/SEEED_XIAO_ESP32S3/modules/xiao.py
@@ -0,0 +1,20 @@
+# XIAO ESP32 S3 MicroPython Helper Library
+
+from micropython import const
+from machine import Pin
+
+# SPI
+SPI_MOSI = const(9)
+SPI_MISO = const(8)
+SPI_CLK = const(7)
+
+# I2C
+I2C_SDA = const(5)
+I2C_SCL = const(6)
+
+# LED
+LED = const(21)
+
+# Helper methods for built in sensors
+
+led = Pin(LED, Pin.OUT, value=0)
diff --git a/ports/esp32/boards/SEEED_XIAO_ESP32S3/mpconfigboard.cmake b/ports/esp32/boards/SEEED_XIAO_ESP32S3/mpconfigboard.cmake
new file mode 100644
index 0000000000..01ea92951d
--- /dev/null
+++ b/ports/esp32/boards/SEEED_XIAO_ESP32S3/mpconfigboard.cmake
@@ -0,0 +1,12 @@
+set(IDF_TARGET esp32s3)
+
+set(SDKCONFIG_DEFAULTS
+    boards/sdkconfig.base
+    boards/sdkconfig.usb
+    boards/sdkconfig.ble
+    boards/sdkconfig.240mhz
+    boards/sdkconfig.spiram_sx
+    boards/SEEED_XIAO_ESP32S3/sdkconfig.board
+)
+
+set(MICROPY_FROZEN_MANIFEST ${MICROPY_BOARD_DIR}/manifest.py)
diff --git a/ports/esp32/boards/SEEED_XIAO_ESP32S3/mpconfigboard.h b/ports/esp32/boards/SEEED_XIAO_ESP32S3/mpconfigboard.h
new file mode 100644
index 0000000000..48b1ca8488
--- /dev/null
+++ b/ports/esp32/boards/SEEED_XIAO_ESP32S3/mpconfigboard.h
@@ -0,0 +1,12 @@
+#define MICROPY_HW_BOARD_NAME               "Seeed XIAO ESP32S3"
+#define MICROPY_HW_MCU_NAME                 "ESP32-S3-FN8"
+#define MICROPY_PY_NETWORK_HOSTNAME_DEFAULT "XIAO-ESP32S3"
+
+#define MICROPY_PY_MACHINE_DAC              (0)
+
+#define MICROPY_HW_I2C0_SCL                 (6)
+#define MICROPY_HW_I2C0_SDA                 (5)
+
+#define MICROPY_HW_SPI1_MOSI                (9)
+#define MICROPY_HW_SPI1_MISO                (8)
+#define MICROPY_HW_SPI1_SCK                 (7)
diff --git a/ports/esp32/boards/SEEED_XIAO_ESP32S3/sdkconfig.board b/ports/esp32/boards/SEEED_XIAO_ESP32S3/sdkconfig.board
new file mode 100644
index 0000000000..b906787b2a
--- /dev/null
+++ b/ports/esp32/boards/SEEED_XIAO_ESP32S3/sdkconfig.board
@@ -0,0 +1,18 @@
+CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
+CONFIG_ESPTOOLPY_FLASHFREQ_80M=y
+CONFIG_ESPTOOLPY_AFTER_NORESET=y
+
+CONFIG_ESPTOOLPY_FLASHSIZE_4MB=
+CONFIG_ESPTOOLPY_FLASHSIZE_8MB=y
+CONFIG_ESPTOOLPY_FLASHSIZE_16MB=
+CONFIG_PARTITION_TABLE_CUSTOM=y
+CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions-8MiB.csv"
+
+CONFIG_LWIP_LOCAL_HOSTNAME="XIAO-ESP32S3"
+
+CONFIG_TINYUSB_DESC_CUSTOM_VID=0x2886
+CONFIG_TINYUSB_DESC_CUSTOM_PID=0x8056
+CONFIG_TINYUSB_DESC_BCD_DEVICE=0x0100
+CONFIG_TINYUSB_DESC_MANUFACTURER_STRING="Seeed Studio"
+CONFIG_TINYUSB_DESC_PRODUCT_STRING="XIAO ESP32S3"
+CONFIG_TINYUSB_DESC_SERIAL_STRING="XIAO ESP32S3"