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WRECK · TECH
USS Spiegel Grove
America's artificial reef. 510 feet of LSD, upright in 134 ft.
25°04′18″N · 80°18′06″W
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GO 75+ MARG 35–74 SKIP <35
Where to dive Spiegel
Verified operators · No paid placementThe USS Spiegel Grove is one of the largest ships ever intentionally sunk as an artificial reef — a 510 ft Thomaston-class Landing Ship Dock that sits upright in 134 ft off Key Largo. Tower decks start at 50 ft; the main deck is 80–95 ft; the bridge wings hit 95 ft. Goliath grouper, eagle rays, big jacks in the wash deck.
Dive sites you'll actually want to do
Site notes from a PADI Divemaster who dives here
01
Bridge Wings
50–70 ft
Easiest entry to the wreck, eagle rays often patrol.
02
Main Deck
80–95 ft
Classic Spiegel dive. Goliath grouper in the boat bay.
03
Engine Room
110–125 ft
Penetration — requires wreck cert + redundancy.
FAQ
Real answers to the questions divers actually ask about Spiegel.
What certifications do I need for Spiegel Grove?
Advanced Open Water minimum for the top decks (60–80 ft). Wreck and Deep specialties for penetration and the engine room. Tech / trimix for the deepest holds.
How is the current on Spiegel?
Variable. Mooring ball pickups, descent down the line. Bottom current can run 1–2 kt with the Gulf Stream pushing through. Always check with the boat.
Is the wreck still upright?
Yes. Hurricane Dennis (2005) rolled her port-side; Hurricane Rita (2005) rolled her upright. She's been upright since.