FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Ciarfella Mark R   2. Issuer Name and Ticker or Trading Symbol SBA COMMUNICATIONS CORP [SBAC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP - Operations (Last) (First) (Middle) C/O SBA COMMUNICATIONS CORPORATION, 8051 CONGRESS AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 06/13/2018 (Street) BOCA RATON, FL 33487 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 06/13/2018   M   1,850 A $ 96.58 15,663 D   Class A Common Stock 06/13/2018   S   1,850 D $ 160.01 (1) 13,813 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Underlying Securities (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options (Right to Buy)	$ 47.52							(2)	03/06/2019	Class A Common Stock	1		1	D
Stock Options (Right to Buy)	$ 95.53							(2)	03/06/2021	Class A Common Stock	1,046		1,046	D
Stock Options (Right to Buy)	$ 124.59							(3)	03/05/2022	Class A Common Stock	30,069		30,069	D
Restricted Stock Units	(4)							(5)	(5)	Class A Common Stock	753		753	D
Stock Options (Right to Buy)	$ 96.58	06/13/2018		M			1,850	(6)	03/04/2023	Class A Common Stock	1,850	$ 0	23,026	D
Restricted Stock Units	(4)							(7)	(7)	Class A Common Stock	1,888		1,888	D
Stock Options (Right to Buy)	$ 115.17							(8)	03/06/2024	Class A Common Stock	33,508		33,508	D
Restricted Stock Units	(4)							(9)	(9)	Class A Common Stock	2,580		2,580	D
Stock Options (Right to Buy)	$ 156.5							(10)	03/06/2025	Class A Common Stock	27,037		27,037	D
Restricted Stock Units	(4)							(11)	(11)	Class A Common Stock	2,818		2,818	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Ciarfella Mark R C/O SBA COMMUNICATIONS CORPORATION 8051 CONGRESS AVENUE BOCA RATON, FL 33487			EVP - Operations

Signatures

/s/ Thomas P. Hunt, Attorney-in-Fact		06/15/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transactions ranged from $160.00 to $160.11 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.
(2)	These options are immediately exercisable.
(3)	These options vest in accordance with the following schedule: 7,517 vest on each of the first through third anniversaries of the grant date and 7,518 vest on the fourth anniversary of the grant date (March 5, 2015).
(4)	Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock.
(5)	These restricted stock units vest in accordance with the following schedule: 752 vest on each of the first through third anniversaries of the grant date and 753 vest on the fourth anniversary of the grant date (March 5, 2015).
(6)	These options vest in accordance with the following schedule: 9,655 vest on each of the first through fourth anniversaries of the grant date (March 4, 2016).
(7)	These restricted stock units vest in accordance with the following schedule: 943 vest on the first anniversary of the grant date and 944 vest on each of the second through fourth anniversaries of the grant date (March 4, 2016).
(8)	These options vest in accordance with the following schedule: 8,377 vest on each of the first through fourth anniversaries of the grant date (March 6, 2017).
(9)	These restricted stock units vest in accordance with the following schedule: 859 vest on the first anniversary of the grant date and 860 vest on each of the second through fourth anniversaries of the grant date (March 6, 2017).
(10)	These options vest in accordance with the following schedule: 6,759 vest on each of the first through third anniversaries of the grant date and 6,760 vest on the fourth anniversary of the grant date (March 6, 2018).
(11)	These restricted stock units vest in accordance with the following schedule: 704 vest on each of the first and the third anniversaries of the grant date and 705 vest on each of the second and the fourth anniversaries of the grant date (March 6, 2018).

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