Wilton Manors is located in Broward county and adjacent to Fort Lauderdale, FL. It is bordered on the north by the North Fork of the Middle River and the city of Oakland Park; to the south, the boundaries include the South Fork of the Middle River and the city of Fort Lauderdale; the eastern terminus of the city limits extends to near Federal Highway (US 1); and the westernmost boundary reaches Interstate 95. Wilton Manors completely surrounds the separately incorporated village of Lazy Lake. Since it is surrounded by water, Wilton Manors has gained the nickname, "Island City."

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