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42FL Plantation Key Seaplane Base
Marathon, Florida, USA

GOING TO MARATHON?

FAA INFORMATION EFFECTIVE 22 JANUARY 2026

Location

FAA Identifier: 42FL
Lat/Long: 24-58-16.4710N 080-35-44.2240W
24-58.274517N 080-35.737067W
24.9712419,-80.5956178
(estimated)
Elevation: 0 ft. / 0 m (estimated)
Variation: 02W (1985)
From city: 12 miles SW of MARATHON, FL
Time zone: UTC -5 (UTC -4 during Daylight Saving Time)
Zip code: 33036

Seaplane Base Operations

Seaplane Base use: Private use. Permission required prior to landing
Activation date: 08/1981
Control tower: no
ARTCC: MIAMI CENTER
FSS: MIAMI FLIGHT SERVICE STATION
Attendance: FRI-MON IREG
Wind indicator: yes
Segmented circle: no

Seaplane Base Services

Runway Information

Runway 9W/27W

Dimensions: 6600 x 3300 ft. / 2012 x 1006 m
Surface: water
RUNWAY 9W  RUNWAY 27W
Traffic pattern: rightleft

Seaplane Base Ownership and Management from official FAA records

Ownership: Privately-owned
Owner: CAPT. HENRY C. RUZAKOWSKI
Phone 305-664-2406
Manager: HENRY RUZAKOWSKI
P.O. BOX 497
TAVERNIER, FL 33070
Phone 305-664-2406

Additional Remarks

- FOR CD CTC MIAMI ARTCC AT 305-716-1731.

Instrument Procedures

There are no published instrument procedures at 42FL.

Some nearby airports with instrument procedures:

07FA - Ocean Reef Club Airport (27 nm NE)
KMTH - The Florida Keys Marathon International Airport (29 nm SW)
X51 - Miami Homestead General Aviation Airport (32 nm N)
KHST - Homestead Air Reserve Base (33 nm N)
KTMB - Miami Executive Airport (42 nm N)
  
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Area around 42FL (Plantation Key Seaplane Base)
 
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From to 42FL

Sunrise and sunset
Times for 17-Feb-2026
 Local
(UTC-5)		 Zulu
(UTC)
Morning civil twilight06:3311:33
Sunrise06:5611:56
Sunset18:1723:17
Evening civil twilight18:4023:40

Current date and time
Zulu (UTC)  18-Feb-2026 04:59:37
Local (UTC-5)  17-Feb-2026 23:59:37
 
METAR
KMTH 
29nm SW 		180453Z AUTO 11009KT 10SM CLR 23/19 A3010 RMK AO2 SLP193 T02280189 402610178
KHST 
32nm NE 		180355Z AUTO 09008KT 10SM FEW029 22/18 A3014 RMK AO2 SLP210 T02240175
KTMB 
42nm N 		180453Z AUTO 12007KT 10SM 21/17 A3013 RMK AO2 SLP203 T02110172 402780133 PWINO $
TAF
KMTH 
29nm SW 		171728Z 1718/1818 09011KT P6SM FEW015 FM181200 12008KT P6SM FEW025
KHST 
32nm NE 		172000Z 1720/1902 06010G15KT 9999 SCT025 SCT040 QNH3007INS BECMG 1723/1724 VRB06KT 9999 FEW025 QNH3008INS BECMG 1814/1815 15010G15KT 9999 FEW025 SCT040 QNH3004INS BECMG 1823/1824 15006KT 9999 SCT025 QNH3005INS TX26/1720Z TN17/1812Z
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