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A few of the stars at night with a view of Fort Jefferson.
NPS Photo / Brett Seymour

National Park · FL

Dry Tortugas National Park

Dry Tortugas is quietest in October and August and busiest in May.

Almost 70 miles (113 km) west of Key West lies the remote Dry Tortugas National Park. This 100-square mile park is mostly open water with seven small islands. Accessible only by boat or seaplane, the park is known the world over as the home of magnificent Fort Jefferson, picturesque blue waters, superlative coral reefs and marine life, and the vast assortment of bird life that frequents the area.

86K recreation visits a year on average (2023–2025)

January: ~6,937 typical visitsJanFebruary: ~7,119 typical visitsFebMarch: ~7,888 typical visitsMarApril: ~8,042 typical visitsAprMay: ~9,256 typical visitsMayJune: ~8,274 typical visitsJunJuly: ~7,832 typical visitsJulAugust: ~6,385 typical visitsAugSeptember: ~5,767 typical visitsSepOctober: ~4,812 typical visitsOctNovember: ~6,563 typical visitsNovDecember: ~7,296 typical visitsDec

Data: NPS visitation 2023–2025 · crowd scores computed Oct 2026 · alerts checked Oct 18, 2026. How this is calculated →

Computed from federal data · Methodology by Sharon Ben-Moshe

Pick a month to visit Dry Tortugas

Weather

Monthly climate normals

MonthAvg highAvg lowPrecip
January74°F65°F2.4"
February76°F66°F1.7"
March79°F68°F2.1"
April83°F71°F2.6"
May86°F75°F2.0"
June89°F77°F4.3"
July91°F78°F2.2"
August91°F79°F4.3"
September89°F78°F7.2"
October85°F76°F4.7"
November79°F71°F1.9"
December76°F67°F2.4"

Source: NOAA 1991–2020 climate normals, DRY TORTUGAS, FL US

Know before you go

Fees & hours

Entrance fee
$15 — The entrance fee for Dry Tortugas National Park is $15.00 per person and is good for 7 consecutive days. Any person 15 years old and under is exempt from paying an entrance fees (including international visitors). Ferry tickets include the cost of entrance to the park, but NOT camping fees. Seaplane will charge the entrance fee upon arrival. Plan to bring cash for each person aged 16-years of age and older. Private boaters may purchase a digital pass in advance or pay cash/check at Garden Key main dock.
Hours
The Dry Tortugas is open 24 hours, 7 days a week. This includes holidays.
Official NPS park site →

Source: NPS Data API

Conditions

Current alerts

  • Caution

    Garden Key Harbor Light

    Vessel operators - the Garden Key Harbor Light is undergoing repairs and is extinguished. At this time it is unknown when the light will again be illuminated.

  • Information

    Migrant Notice

    Like elsewhere in the Florida Keys, we have seen an increase in Cuban migrants arriving by boat from Cuba and landing on the islands of Dry Tortugas National Park. You may observe migrant landings at the park and visitor areas may be impacted.

  • Park Closure

    Sections of moat wall closed until Winter 2026

    Sections of the moat wall that were damaged by Hurricanes Helene and Milton (2024) are undergoing repair and reinforcement. For your safety, please follow posted signage and do not cross any barricades.

  • Park Closure

    Seasonal Closure: Bush Key

    Most of Bush Key is now open to the public. To protect nesting frigatebirds, a small area on the north side of Bush Key, all of Long Key, and all vegetation remains closed until further notice.

Source: NPS Data API

FAQ

Dry Tortugas questions

When is the best time to visit Dry Tortugas?

Dry Tortugas is least crowded in October, August, and September. May is the busiest month, so visiting outside it means thinner crowds and easier parking.

How much does it cost to visit Dry Tortugas?

Entrance to Dry Tortugas costs $15 (The entrance fee for Dry Tortugas National Park is $15.00 per person and is good for 7 consecutive days. Any person 15 years old and under is exempt from paying an entrance fees (including international visitors). Ferry tickets include the cost of entrance to the park, but NOT camping fees. Seaplane will charge the entrance fee upon arrival. Plan to bring cash for each person aged 16-years of age and older. Private boaters may purchase a digital pass in advance or pay cash/check at Garden Key main dock.).

When is Dry Tortugas busiest?

Dry Tortugas is busiest in May, when crowds rate 10/10 (peak). Expect full parking lots and longer waits; arrive early or choose a quieter month.

How crowded is Dry Tortugas during holidays and fee-free days?

Holiday weekends (Memorial Day, Labor Day, Fourth of July) and official NPS fee-free days typically bring peak crowd conditions to Dry Tortugas. Arrive before 8 AM or after 3 PM to secure parking and avoid peak trail congestion.