Updated August 2026

Best beaches in Guam by water quality

Guam has 33 public beaches in the EPA monitoring dataset, 30 of them with enough bacteria samples to grade. 8 earn an A for consistently clean water, while 7 grade an F for frequently exceeding the safe-swimming limit. Full ranking below.

A 8

B 4

C 3

D 8

F 7

Grade	Beach	County	% over limit	Samples	Advisory
A	Outhouse Beach	Guam	0.6%	498	Excellent
A	Ypan Beach Park Beach (Ipan Public Beach)	Guam	1.4%	498	Excellent
A	Family Beach	Guam	1.6%	488	Excellent
A	Naton Beach, Tumon Bay	Guam	2.1%	1,006	Excellent
A	Tagachang Beach Park	Guam	2.2%	497	Excellent
A	Gun Beach, Tumon Bay	Guam	2.4%	502	Excellent
A	Port Authority Beach	Guam	2.4%	496	Excellent
A	Ncs Beach/Tanguisson Beach	Guam	2.8%	498	Excellent
B	Ypao Beach, Tumon Bay	Guam	3.2%	502	Good
B	Gognga Beach, Tumon Bay	Guam	3.3%	1,524	Good
B	United Seamen's Service Beach (Uso Beach)	Guam	4%	525	Good
B	Asanite Point Beach Aka First Beach	Guam	5.6%	498	Good
C	Trinchera Beach, East HagåTñA Bay	Guam	7.3%	1,000	Fair
C	InalåHan Pools	Guam	7.3%	386	Fair
C	Dungca's Beach, East HagåTñA Bay	Guam	8.5%	2,009	Fair
D	Beach At Fonte River, West HagåTñA Bay	Guam	13.8%	1,518	Poor
D	HagåTñA Marina	Guam	13.8%	646	Poor
D	Asan Memorial Beach,Head Of Asan Bay	Guam	19.4%	1,012	Poor
D	Beach At Pago Bay	Guam	19.5%	507	Poor
D	Malesso' Public Pier Park	Guam	19.9%	498	Poor
D	Head Of HumåTak Bay	Guam	20.1%	512	Poor
D	Beach South Of Finile River	Guam	20.9%	992	Poor
D	West HagåTñA Beach	Guam	23.4%	1,014	Poor
F	Togcha Beach Aka HåGat Beach	Guam	25%	1,034	Failing
F	Beach At Piti Bay	Guam	28%	518	Failing
F	Toguan Bay	Guam	30.7%	522	Failing
F	Beach At InalåHan Bay	Guam	32%	510	Failing
F	Beach North Of Finile River	Guam	37%	524	Failing
F	Rizal Beach	Guam	50.8%	524	Failing
F	Talo'fo'fo Bay	Guam	57.1%	504	Failing

CSV

Download the full Guam beach safety ranking

All 30 graded Guam beaches with their Beach Safety Grade, exceedance rate, sample counts, and program status — from EPA monitoring data. Enter your email to download; you'll also get swim-advisory alerts. A grade is a multi-year classification, not a same-day safety clearance.

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