Malesso' Public Pier Park is a saltwater beach in Guam County, Guam. Across 498 bacteria samples collected between 2021 and 2026 at nearby monitoring stations, it earns a Beach Safety Grade of D — Poor.
About 20% of samples at Malesso' Public Pier Park exceeded the EPA Beach Action Value of 104 CFU/100 mL for Enterococcus — the threshold at which water managers typically post a swimming advisory. In practice that means the safe-swimming limit was frequently crossed here over the monitored period. Bacteria samples frequently exceed the safe-swimming threshold; swimming advisories are common here.
In the most recent full reporting year, Malesso' Public Pier Park was under a swimming advisory for about 35% of its monitored beach days — a useful gauge of how often problems recur here beyond any single sample.
📍 13.2660, 144.6680 · Open in Google Maps. Coordinates mark the monitored shoreline, not a specific access point.
Planning a trip to Malesso' Public Pier Park?
Get water-quality updates and swim-advisory alerts for this beach — plus trip-planning tips — by email.
Where to stay near Malesso' Public Pier Park
Find hotels, condos, and vacation rentals near Malesso' Public Pier Park in Guam County, Guam — live availability and prices to plan your beach trip.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Common questions
Frequently Asked Questions
Malesso' Public Pier Park earns a Beach Safety Grade of D (Poor), based on 498 bacteria samples where about 20% exceeded the EPA safe-swimming threshold. Always confirm the current advisory before swimming, especially after heavy rain.
Water samples near Malesso' Public Pier Park are tested for Enterococcus, uploaded to the EPA Water Quality Portal. A sample above the Beach Action Value (104 CFU/100 mL) signals a higher risk of illness from swimming. BeachGrade summarizes multiple years of those results into one grade.
Malesso' Public Pier Park is a saltwater beach in Guam County, Guam.
Beach inventory and advisory status from the U.S. EPA BEACON program; bacteria samples from the Water Quality Portal. The Beach Safety Grade summarizes multiple years of monitoring — see our methodology. Water quality changes quickly, especially after rain; always check the official state or county advisory before swimming. BeachGrade is informational and not a substitute for official public-health guidance.