National Wildlife Refuge · Northern Mariana Islands · FWS Region 1

Mariana Trench National Wildlife Refuge Hunting & Fishing Guide 2026–27

Mariana Trench National Wildlife Refuge is located in Northern Mariana Islands, with about 50,537,193 acres of land owned in fee by the U.S. Fish and Wildlife Service. For the 2026–2027 season, all 1 mapped hunt unit are listed as closed to hunting.

1 closed
View hunt map Directions Official website ↗
1hunt units
0huntable acres
50.5MFWS-owned acres
0game categories

Mariana Trench NWR hunt unit map

Hunt units are colored by 2026–2027 status. Toggle layers for FWS-owned land, the approved refuge boundary and private easements. Use satellite imagery to scout marshes, timber edges and access points.

Loading interactive map…
OpenSpecial regulationsClosedFWS-owned landWPA (public)Refuge boundaryEasement (private) Tip: switch to Satellite or USGS Topo in the layer menu · click the map for GPS coordinates
Take it into the field: KML (Google Earth / onX) GPX waypoints GeoJSON

Hunting at Mariana Trench NWR

  • Big Game
  • Waterfowl
  • Wild Turkey
  • Upland Birds
  • Migratory Birds
  • Small Game
  • Feral & Exotic
  • Fishing

The U.S. Fish and Wildlife Service does not list any hunting opportunities for this station.

Hunt units (1)

Acreage by status
Closed: 50,559,377 (100%)0huntable acres
  • Closed50,559,377 ac 100%
UnitStatusAcresPermitDetails
Station Closed 50,559,377 —

Permits & licenses

Refuge permit

Not listed

USFWS does not list a separate refuge permit for this station. Specific units or hunts (e.g. quota deer hunts) may still require one — check the hunt brochure.

You'll also need

  • A valid Northern Mariana Islands hunting license and any required tags or stamps
  • Hunter education certification where your state requires it
  • The current refuge hunt brochure / regulations (often must be signed and carried)

Fishing at Mariana Trench NWR

USFWS does not list fishing opportunities for Mariana Trench NWR.

How to get to Mariana Trench NWR

Navigate

Destination: Mariana Trench National Wildlife Refuge (FWS reference point)

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Decimal
14.46927, 147.11839
DMS
14°28′09.4″N 147°07′06.2″E

Download for GPS / onX / Google Earth:KMLGPX

Nearest towns

  • Saipan, MP104 mi SE of town
  • Hagåtña, GU173 mi NE of town

Closest airports

  • SPN Saipan Intl103 mi
  • GUM Guam A.B. Won Pat170 mi

Straight-line distances. Driving routes are longer; many refuge roads are gravel and may close seasonally.

The navigation point is the station reference location published by USFWS — often the headquarters or main entrance. For a specific hunt unit, open its page or click it on the map for coordinates and parking planning.

Sunrise, sunset & shooting hours

Today at Mariana Trench NWR

Legal light*–
Sunrise–
Sunset–

*½ hour before sunrise — the standard federal shooting-hour start for migratory game birds. Times in Saipan local time.

Full season calculator →

2026–2027 season sun table

DateShooting lightSunriseSunsetDaylight
Tue, Sep 1, 20265:29 AM5:59 AM6:24 PM12h 25m
Tue, Sep 15, 20265:29 AM5:59 AM6:13 PM12h 14m
Thu, Oct 1, 20265:30 AM6:00 AM6:01 PM12h 01m
Thu, Oct 15, 20265:32 AM6:02 AM5:52 PM11h 50m
Sun, Nov 1, 20265:36 AM6:06 AM5:43 PM11h 37m
Sun, Nov 15, 20265:42 AM6:12 AM5:40 PM11h 28m
Tue, Dec 1, 20265:50 AM6:20 AM5:40 PM11h 20m
Tue, Dec 15, 20265:58 AM6:28 AM5:44 PM11h 17m
Fri, Jan 1, 20276:05 AM6:35 AM5:52 PM11h 17m
Fri, Jan 15, 20276:09 AM6:39 AM6:00 PM11h 21m
Mon, Feb 1, 20276:09 AM6:39 AM6:09 PM11h 30m

Computed for 14.469, 147.118 (ChST / DST-aware). Check state rules — big game hours vary.

7-day hunting weather

Loading National Weather Service forecast…

Forecast from the National Weather Service. Wind direction matters — plan your approach downwind of where game beds.

Mariana Trench NWR FAQ

Is hunting allowed at Mariana Trench NWR?

The U.S. Fish and Wildlife Service does not currently list hunting opportunities at Mariana Trench National Wildlife Refuge. All mapped units are closed to hunting.

Do I need a permit to hunt Mariana Trench NWR?

FWS data does not list a separate refuge hunting permit for Mariana Trench NWR. You still need a valid state license, any required state tags or stamps, and (for waterfowl hunters 16+) a Federal Duck Stamp.

Where is Mariana Trench NWR located?

Mariana Trench National Wildlife Refuge is in Northern Mariana Islands, about 104 miles SE of Saipan, MP (straight-line). GPS: 14.46927, 147.11839.

What are legal shooting hours at Mariana Trench NWR?

Migratory game bird shooting hours are generally one-half hour before sunrise to sunset; big game and other seasons follow state rules. See the sunrise/sunset table on this page and confirm in the refuge hunt brochure.

Nearby refuges & public land

Guam NWR

GU · 162 mi W

1 closed
🎣

Mariana Arc of Fire NWR

MP · 257 mi SW

1 closed
No hunting listed

Wake Atoll NWR

UM · 1,339 mi E

1 closed
No hunting listed

Midway Atoll NWR

UM · 2,463 mi NE

1 closed
No hunting listed

Howland Island NWR

UM · 2,650 mi E

1 closed
No hunting listed

Baker Island NWR

UM · 2,676 mi E

1 closed
No hunting listed

All refuges in Northern Mariana Islands →

Data: USFWS National Hunt Units 2026–2027, Hunting & Fishing Opportunities, Realty Boundaries & Tracts. Page updated September 29, 2026.