UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(D) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of Report: October 19, 2011

(Date of earliest event reported)

EQUITY LIFESTYLE PROPERTIES, INC.

(Exact name of registrant as specified in its charter)

(312) 279-1400

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Item 7.01. Regulation FD Disclosure.

On October 19, 2011, the Company announced that the selling stockholder plans to sell 3,162,069 shares of the Company’s common stock, par value $0.01 per share in an underwritten secondary public offering. The sale is being made pursuant to an automatic shelf registration statement that became effective upon filing with the Securities and Exchange Commission on May 6, 2009.

In accordance with General Instruction B.2. of Form 8-K, the information contained in this Form 8-K shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section. Nor shall the information in this Current Report be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in any such filing. Equity LifeStyle Properties, Inc. (the “Company”) disclaims any intention or obligation to update or revise this information.

This report includes certain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. When used, words such as “anticipate,” “expect,” “believe,” “project,” “intend,” “may be” and “will be” and similar words or phrases, or the negative thereof, unless the context requires otherwise, are intended to identify forward-looking statements and may include, without limitation, information regarding the Company’s expectations, goals or intentions regarding the future, statements regarding the anticipated closing of the remainder of the pending acquisition of a portfolio of 75 manufactured home communities and one RV resort (the “Acquisition Properties”) containing 31,167 sites on approximately 6,500 acres located in 16 states (primarily located in Florida and the northeastern region of the United States) and certain manufactured homes and loans secured by manufactured homes located at the Acquisition Properties for a stated purchase price of $1.43 billion (the “Acquisition”) and the expected effect of the Acquisition on the Company. These forward-looking statements are subject to numerous assumptions, risks and uncertainties, including, but not limited to:

- 2 -

These forward-looking statements are based on management’s present expectations and beliefs about future events. As with any projection or forecast, these statements are inherently susceptible to uncertainty and changes in circumstances. The Company is under no obligation to, and expressly disclaims any obligation to, update or alter its forward-looking statements whether as a result of such changes, new information, subsequent events or otherwise.

Item 9.01. Financial Statements and Exhibits.

The information contained in the attached exhibit is unaudited and should be read in conjunction with the Registrant’s annual and quarterly reports filed with the Securities and Exchange Commission.

- 3 -

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned thereunto duly authorized.

Date: October 19, 2011

- 4 -