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: February 26, 2013

(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):

Equity LifeStyle Properties, Inc. (the “Company”) hereby reconfirms previously issued guidance for its net income per share (fully diluted) and funds from operations per share (fully diluted) for the three months ending March 31, 2013 to be between $0.74 and $0.84 and $1.35 and $1.45, respectively. The Company also reconfirms previously issued guidance for its net income per share (fully diluted) and funds from operations per share (fully diluted) for the year ending December 31, 2013 to be between $2.49 and $2.69 and $4.94 and $5.14, respectively. The projected 2013 per share amounts represent the mid-point of a range of possible outcomes and reflects management’s best estimate of the most likely outcome.

From time to time, the Company will meet with analysts and investors and present a slide presentation. A copy of this slide presentation is attached hereto as Exhibit 99.1 and is incorporated herein by reference. Included in this slide presentation is a discussion of the Company’s business and certain financial information regarding 2013.

In accordance with General Instruction B.2. of Form 8-K, the information included in this Current Report on Form 8-K shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. Nor shall the information in this Current Report on Form 8-K be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended. 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, and the expected effect of acquisitions on the Company. These forward-looking statements are subject to numerous assumptions, risks and uncertainties, including, but not limited to:

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.

Equity LifeStyle Properties, Inc. owns or has an interest in 383 quality properties in 32 states and British Columbia consisting of 142,682 sites. The Company is a self-administered, self-managed, real estate investment trust (REIT) with headquarters in Chicago.

(d) Exhibits

SIGNATURE

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 hereunto duly authorized.