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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(Print or Type Responses)

1. Name and Address of Reporting Person * Lazarus Brian D   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) SVP & Chief Accounting Officer (Last) (First) (Middle) C/O SBA COMMUNICATIONS CORPORATION, 8051 CONGRESS AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 03/04/2018 (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 03/04/2018   M   680 A (1) 12,987 D   Class A Common Stock 03/04/2018   F   231 (2) D $ 152.91 12,756 D   Class A Common Stock 03/05/2018   M   537 A (3) 13,293 D   Class A Common Stock 03/05/2018   F   205 (2) D $ 152.91 13,088 D   Class A Common Stock 03/06/2018   M   548 A (4) 13,636 D   Class A Common Stock 03/06/2018   M   644 A (5) 14,280 D   Class A Common Stock 03/06/2018   F   411 (2) D $ 156.68 13,869 D

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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							(6)	03/06/2019	Class A Common Stock	2,104		2,104	D
Stock Options (Right to Buy)	$ 72.99							(6)	03/06/2020	Class A Common Stock	15,875		15,875	D
Stock Options (Right to Buy)	$ 95.53							(6)	03/06/2021	Class A Common Stock	21,607		21,607	D
Restricted Stock Units	(7)	03/06/2018		M			548	(8)	(8)	Class A Common Stock	548	(4)	0	D
Stock Options (Right to Buy)	$ 124.59							(9)	03/05/2022	Class A Common Stock	21,478		21,478	D
Restricted Stock Units	(7)	03/05/2018		M			537	(10)	(10)	Class A Common Stock	537	(3)	538	D
Stock Options (Right to Buy)	$ 96.58							(11)	03/04/2023	Class A Common Stock	27,842		27,842	D
Restricted Stock Units	(7)	03/04/2018		M			680	(12)	(12)	Class A Common Stock	680	(1)	1,361	D
Stock Options (Right to Buy)	$ 115.17							(13)	03/06/2024	Class A Common Stock	25,131		25,131	D
Restricted Stock Units	(7)	03/06/2018		M			644	(14)	(14)	Class A Common Stock	644	(5)	1,935	D
Stock Options (Right to Buy)	$ 156.5	03/06/2018		A		21,243		(15)	03/06/2025	Class A Common Stock	21,243	$ 0	21,243	D
Restricted Stock Units	(7)	03/06/2018		A		2,214		(16)	(16)	Class A Common Stock	2,214	$ 0	2,214	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Lazarus Brian D C/O SBA COMMUNICATIONS CORPORATION 8051 CONGRESS AVENUE BOCA RATON, FL 33487			SVP & Chief Accounting Officer

Signatures

/s/ Thomas P. Hunt, Attorney-in-Fact		03/06/2018
**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)	On March 4, 2018, 680 of the Reporting Person's restricted stock units were settled for an equal number of shares of Class A Common Stock.
(2)	Shares withheld for payment of tax liability.
(3)	On March 5, 2018, 537 of the Reporting Person's restricted stock units were settled for an equal number of shares of Class A Common Stock.
(4)	On March 6, 2018, 548 of the Reporting Person's restricted stock units were settled for an equal number of shares of Class A Common Stock.
(5)	On March 6, 2018, 644 of the Reporting Person's restricted stock units were settled for an equal number of shares of Class A Common Stock.
(6)	These options are immediately exercisable.
(7)	Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock.
(8)	These restricted stock units vest in accordance with the following schedule: 548 vest on each of the first through fourth anniversaries of the grant date (March 6, 2014).
(9)	These options vest in accordance with the following schedule: 5,369 vest on each of the first and third anniversaries of the grant date and 5,370 vest on each of the second and fourth anniversaries of the grant date (March 5, 2015).
(10)	These restricted stock units vest in accordance with the following schedule: 537 vest on each of the first through third anniversaries of the grant date and 538 vest on the fourth anniversary of the grant date (March 5, 2015).
(11)	These options vest in accordance with the following schedule: 6,960 vest on each of the first and third anniversaries of the grant date and 6,961 vest on each of the second and fourth anniversaries of the grant date (March 4, 2016).
(12)	These restricted stock units vest in accordance with the following schedule: 680 vest on each of the first through third anniversaries of the grant date and 681 vest on the fourth anniversary of the grant date (March 4, 2016).
(13)	These options vest in accordance with the following schedule: 6,282 vest on the first anniversary of the grant date and 6,283 vest on each of the second through fourth anniversaries of the grant date (March 6, 2017).
(14)	These restricted stock units vest in accordance with the following schedule: 644 vest on the first anniversary of the grant date and 645 vest on each of the second through fourth anniversaries of the grant date (March 6, 2017).
(15)	These options vest in accordance with the following schedule: 5,310 vest on the first anniversary of the grant date and 5,311 vest on each of the second through fourth anniversaries of the grant date (March 6, 2018).
(16)	These restricted stock units vest in accordance with the following schedule: 553 vest on each of the first and third anniversaries of the grant date and 554 vest on each of the second and fourth anniversaries of the grant date (March 6, 2018).

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