# San Juan /Uganik/ Seaplane Base (UGI / WSJ)

**San Juan /Uganik/ Seaplane Base** (IATA: UGI, FAA: WSJ) is a seaplane base in San Juan, Alaska, United States. It opened in Jun 1963. It has one runway, 10,000 ft (3,048 m) long, water. In 2025 it handled 132 passengers.

Web page: https://dromopedia.com/airports/wsj

## At a glance

- IATA / ICAO: UGI / —
- FAA: WSJ
- Type: Seaplane base
- Serves: San Juan, Alaska, United States
- Opened: Jun 1963
- Elevation: 0 ft / 0 m
- Coordinates: 57.7304, -153.3210
- Runways: 1
- Longest runway: 10,000 ft / 3,048 m
- Passengers: 132 (2025)
- Time zone: UTC-9/-8 · America/Anchorage
- Wikipedia: https://en.wikipedia.org/wiki/San_Juan_(Uganik)_Seaplane_Base (5 languages)
- Wikidata: https://www.wikidata.org/wiki/Q4407375
- Weather station: PADQ · WMO 70350
- Ident: WSJ

## Timeline

- Jun 1963: San Juan /Uganik/ Seaplane Base opens.

## Runways

| Ident | Length | Width | Surface | True headings | Lighted |
| --- | --- | --- | --- | --- | --- |
| N/S | 10,000 ft / 3,048 m | 2,000 ft / 610 m | Water |  |  |

## Passengers per year

| Year | Passengers | Source |
| --- | --- | --- |
| 2015 | 206 | BTS T-100 Segment |
| 2016 | 259 | BTS T-100 Segment |
| 2017 | 135 | BTS T-100 Segment |
| 2018 | 192 | BTS T-100 Segment |
| 2020 | 153 | BTS T-100 Segment |
| 2021 | 143 | BTS T-100 Segment |
| 2022 | 121 | BTS T-100 Segment |
| 2023 | 150 | BTS T-100 Segment |
| 2024 | 139 | BTS T-100 Segment |
| 2025 | 132 | BTS T-100 Segment |

## Routes

3 destinations in 1 country. From the airport's Wikipedia article.

### Year-round (3)

- [KWP](https://dromopedia.com/airports/kwp.md) West Point Village Seaplane Base · United States · 8.7 mi / 14 km · Island Air Service
- [KPY](https://dromopedia.com/airports/kpy.md) Port Bailey Seaplane Base · United States · 17 mi / 28 km · Island Air Service
- [ADQ](https://dromopedia.com/airports/padq.md) Kodiak Airport · United States · 30 mi / 49 km · Island Air Service

## Airlines

The figure is how many destinations each airline flies from UGI, as the routes above have them. Hubs from Wikidata.

### Passenger (1)

- Island Air Service · 3

## Nearby airports

- [ORI](https://dromopedia.com/airports/ori.md) Port Lions Airport · 20 mi / 33 km
- [KLN](https://dromopedia.com/airports/palb.md) Larsen Bay Airport · 28 mi / 45 km
- [ADQ](https://dromopedia.com/airports/padq.md) Kodiak Airport · 31 mi / 49 km
- [KOZ](https://dromopedia.com/airports/4k5.md) Ouzinkie Airport · 35 mi / 56 km
- [KDK](https://dromopedia.com/airports/pakd.md) Kodiak Municipal Airport · 35 mi / 57 km
- [OLH](https://dromopedia.com/airports/olh.md) Old Harbor Airport · 35 mi / 57 km

## In collections

- [Water runways](https://dromopedia.com/collections/water-runways) #68

## Sources

- [BTS T-100 Segment](https://www.transtats.bts.gov/Tables.asp?QO_VQ=EEE&QO_anzr=Nv4%20Pn44vr45): US traffic: Bureau of Transportation Statistics, T-100 Segment (Public Domain (US Government))
- [FAA NASR](https://www.faa.gov/air_traffic/flight_info/aeronav/aero_data/NASR_Subscription/): US airport data: FAA National Airspace System Resources (Public Domain (US Government))
- [NOAA Aviation Weather Center](https://aviationweather.gov/data/api/): Weather data: NOAA Aviation Weather Center (Public Domain (US Government))
- [OurAirports](https://ourairports.com/data/): Airport data from OurAirports (Public Domain)
- [Wikidata](https://www.wikidata.org): Structured data from Wikidata (CC0 1.0)
- [Wikipedia: “San Juan (Uganik) Seaplane Base”](https://en.wikipedia.org/w/index.php?title=San_Juan_(Uganik)_Seaplane_Base&oldid=1363076608), revision of 7 Jul 2026 (CC BY-SA 4.0)
- [timezone-boundary-builder](https://github.com/evansiroky/timezone-boundary-builder): Time zone boundaries © OpenStreetMap contributors, timezone-boundary-builder (ODbL 1.0)
- Every figure with its source: https://dromopedia.com/airports/wsj/data