As filed with the Securities and Exchange Commission on December 6, 2011

Registration No. 333-            

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM S-1

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

BANKRATE, INC.

(Exact name of registrant as specified in its charter)

11760 U.S. Highway One, Suite 200

North Palm Beach, Florida 33408

(561) 630-2400

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

Edward J. DiMaria, Senior Vice President-Chief Financial Officer

11760 U.S. Highway One, Suite 200

North Palm Beach, Florida 33408

(561) 630-2400

(Name, address, including zip code, and telephone number, including area code, of agent for service)

With copies to:

Approximate date of commencement of proposed sale to the public: As soon as practicable after this Registration Statement is declared effective.

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, check the following box.  ¨

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  x

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  ¨

If this Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

CALCULATION OF REGISTRATION FEE

This registration statement shall become effective upon filing with the Commission in accordance with Rule 462(b) of the Securities Act of 1933, as amended.

EXPLANATORY NOTE

This Registration Statement is being filed pursuant to Rule 462(b) (“Rule 462(b)”) under the Securities Act of 1933, as amended, and General Instruction V of Form S-1. Pursuant to Rule 462(b), the contents of our registration statement on Form S-1, as amended (File No. 333-178132), including the exhibits thereto, which was declared effective by the Securities and Exchange Commission (the “Commission”) on December 6, 2011 (the “Initial Registration Statement”), are incorporated by reference into this Registration Statement. This Registration Statement covers the registration of an additional 2,300,000 shares of our common stock in the offering related to the Initial Registration Statement.

PART II

INFORMATION NOT REQUIRED IN PROSPECTUS

Item 16. Exhibits and Financial Statement Schedules.

(a) Exhibits

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of North Palm Beach, State of Florida, on the 6^th day of December, 2011.

Pursuant to the requirements of the Securities Act of 1933, this registration statement has been signed below by the following persons in the capacities and on the dates indicated below.

INDEX TO EXHIBITS