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. National lists: cleanest beaches in the US and beaches that exceed bacteria limits most often.

Guam beaches on the map

Ways to pick a Guam beach

Cleanest water (Grade A)

Outhouse Beach — Guam
Ypan Beach Park Beach (Ipan Public Beach) — Guam
Family Beach — Guam
Naton Beach, Tumon Bay — Guam

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. A grade is a multi-year classification, not a same-day safety clearance.

Guam beach grade updates

Get new grades and water-quality updates for Guam beaches by email.

Where to stay near Guam beaches

Find beachfront hotels, condos, and vacation rentals across Guam — live availability and prices.

Top-rated places to stay near Guam beaches

Prices for Oct 2–4, 4 adults. Change dates on the map below.

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Watch Guam beach grades

Get an email when a graded Guam beach posts a new sample or swim advisory.

Frequently Asked Questions

The table ranks Guam beaches by Beach Safety Grade from EPA bacteria samples. Grade A beaches have the fewest exceedances of the safe-swimming limit.

Hotels, condos, and vacation rentals for Guam beaches are on the map on this page. Compare water quality in the table, then book from the town you actually want to swim from.

Guam beaches vary. Of 30 graded beaches, 8 earn an A for the fewest bacteria exceedances and 7 earn an F for exceeding the safe-swimming limit most often. A grade is a multi-year record, not a same-day clearance — check the county advisory the day you swim.

The day you swim. A grade is a history of samples, not a same-day clearance — check the county advisory before you get in.