Step 1
From the Wii Menu and using the Wii Remote, point to the Wii Options button in the bottom left corner of the screen and press the A button on the Wii Remote to select it.
Step 2
In the Wii Options screen, point to the Wii Settings item and press A to select.
Step 3
In the Wii System Settings menu, point to the right arrow and press A to move to the second page.
Step 4
On the second page, point to the Internet item and press A to select.
Step 5
On the Internet menu, point to the Console Information item and press A to select.
Step 6
On the Console Information screen, you will find your MAC Address listed.