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Map of USS Amesbury / Alexander's Wreck
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Boat entry

USS Amesbury / Alexander's Wreck

Florida, United States
Open Water suggested3–8 m depthBoat entryRash guard or 2mm shorty typical

Boat dive — see Entry & access.

USS Amesbury / Alexander's Wreck at a glance

USS Amesbury / Alexander's Wreck is a boat dive site in Florida, United States with depths of 3–7.6 m (10–25 ft). Typically most favorable Jul · from 3 years of archive data. Divers commonly see sponges and encrusting growth and Reef fish. Recent reports put the water around 32°C (89°F). Check the latest conditions and entry details before you go.

Marine model · graded 14h ago
0.5 mwaves — under a meter expected

Tap a factor for its source and model point · Forecast 32°C · seasonal avg 31°C

Site hazards: Boat traffic, variable visibility, current/weather exposure, sharp wreck metal, debris entanglement, and protected sanctuary resources. Avoid penetration and do not remove artifacts.

Read the full hazards ↓

Dive windows this week

Best: Sun
Fri8:00–20:00
Sat8:00–12:00
Sun8:00–20:00
Mon8:00–20:00
Tue8:00–20:00
Wed8:00–20:00
Thu8:00–20:00

Favorable windowModerate window— no window

First light 6:49 · Sunrise 7:12 · Sunset 19:36

Source: Open-Meteo marine · model point 6.1 km from site · graded 14h ago

Forecast only — always assess conditions on site.

Forecast · NOAA tide model

Tide & slack timing

Loading tide predictions

Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

Dived here today — did the forecast match?

What Divers Say

Known for: sponges and encrusting growth, Reef fish
Best time: Best during calm Key West sea conditions with good visibility; avoid strong wind, storms, and rough Gulf/Straits conditions.

Based on community reviews and site data. Conditions vary — always verify before diving.

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

  1. Jan71%23°C1.1 m
  2. Feb79%24°C1.1 m
  3. Mar75%25°C1.1 m
  4. Apr66%26°C1.1 m
  5. May96%29°C0.7 m
  6. Jun87%30°C0.8 m
  7. Jul98%31°C0.6 m
  8. Aug89%31°C0.7 m
  9. Sep94%31°C0.7 m
  10. Oct65%29°C1.1 m
  11. Nov64%27°C1.2 m
  12. Dec66%25°C1.2 m

July hastypically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.

Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life seen at this site

Species noted at this site — not a promise of what you’ll encounter.

Species seen here

Fills & rentals nearby

Facts from OpenStreetMap, corrected by the community — listed by distance only. Details change; confirm with the shop.

Shop facts come from OpenStreetMap and community corrections, shown nearest first. PickADive lists facts and contacts only — no listing is sponsored or ranked.

Data updated July 2026

Site details

USS Amesbury, locally called Alexander's Wreck, is a former U.S. Navy destroyer escort/high-speed transport on the Florida Keys National Marine Sanctuary Shipwreck Trail. The shallow wreck lies in about 25 ft / 7.6 m roughly 5 nautical miles west of Key West. NOAA documents two hull/superstructure sections about 600 ft apart, including recognizable gun mounts and a debris field.

boatwreck

Boat traffic, variable visibility, current/weather exposure, sharp wreck metal, debris entanglement, and protected sanctuary resources. Avoid penetration and do not remove artifacts.

Reviews

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