Visit the CBSA Website from further details on entering Canada at this time.
Pelee Island is a port of entry for aircraft and watercraft. When entering Canada make sure that you have a valid PASSPORT (as it is a requirement when entering into Canada and returning into the USA), as you will be met by CBSA Officers upon arrival.
If you arrive by private aircraft or watercraft be sure to check in with CBSA by calling 1-888-CANPASS.
If you have any questions about current border crossing regulations, visit the CBSA website or you can call the local CBSA office at 519-724-2933.
Information about travelling from Canada to the USA can be found on the Homeland Security website.