1,024 mapped sites
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New Jersey · 17.4–21 m
Artificial reef built from M-113 Armored Personnel Carrier (APC) NJDEP deployment record: Military vehicle, material: M-113 Armored Personnel Carrier (APC), deployed 1996.
Florida · Up to 27.4 m
Artificial reef built from 165' X 35' X 55' Ex-US Coast Guard Cutter, the "Mohawk"
Oklahoma · Up to 18.3 m
Lake Murray, inside Oklahoma's oldest and largest state park near Ardmore, is largely spring-fed and offers rare clarity for the southern Great Plains - up to 30 ft on good days, though commonly 5-15 ft. Marietta Landing campground on the south end is the primary dive access, with bluffs, cracks and overhangs to explore in the 25-60 ft range; the lake gets dark below about 40 ft. The WPA-era Tucker Tower area across from the marina is a deeper boat-dive option.
California · 12.2–30.5 m
One of the largest and healthiest giant kelp forests in Southern California, stretching along roughly six miles of the Point Loma peninsula's outer coast and reachable only by boat (about 25 minutes from Mission Bay marinas). More than 20 named spots - including New Hope Rock, Six Fathoms and Horsehead Reef - feature boulder reefs, ledges and overhangs in 40-70 ft, with the deeper 'ancient cliffs' zone dropping to about 100 ft beyond the kelp line.
Michigan · 11–20.1 m
The Montana was a 236-ft wooden steam package freighter that burned to the waterline and sank in Thunder Bay, Lake Huron in 1914. She rests in about 63-66 ft of water within Thunder Bay National Marine Sanctuary near Alpena, with an intact power train: a massive boiler, a three-story steam engine rising roughly 30 ft off the bottom, drive shaft and propeller. NOAA maintains seasonal bow and stern mooring buoys, and the wreck attracts game fish, making it a favorite for photographers.
Hawaii · 3–15.2 m
South Maui's signature shore dive off Nahuna Point near Makena Landing, also called Turtle Town. A reef honeycombed with caves, arches and ledges in 10-50 ft where green turtles rest and whitetip reef sharks pack the 'shark condo' cavern. Usually entered from the sandy ramp at Makena Landing Park with a surface swim, or directly off the rocky shoreline at Nahuna Point.
South Carolina · Up to 18 m
Artificial reef built from Approximate Center of Reef
New Jersey · 17.4–21 m
Artificial reef built from 70' Oil Barge - "Marie" NJDEP deployment record: Ship, material: 70' Oil Barge - "Marie", deployed 1989.
Wisconsin · 20–43 m
The two-masted schooner Northerner capsized and sank off Port Washington in 1868 while under tow and now sits upright and remarkably intact in about 140 feet of water. Her main mast still stands some 75 feet above the deck, the bowsprit and a rare carved figurehead survive, and her cargo of cordwood remains stacked in the hold. Frequently 80-plus-foot visibility makes it one of the most photogenic wrecks on Wisconsin's Shipwreck Coast, but the depth makes this a serious advanced dive.
Washington · 12.2–33.5 m
A natural sandstone wall at the south end of the Tacoma Narrows near Day Island, just south of Titlow Beach. The sheer main wall runs south of the entry to about 110 ft, with shallower ledges and cutbacks in 40-55 ft to the north and a reported deeper wall starting around 100 ft and running to roughly 140 ft. Swift Narrows currents carve dens that shelter numerous wolf eels and giant Pacific octopus, but the same currents make this an advanced, slack-only dive planned around minor exchanges (max ~2.4 kt predictions); current along the wall runs opposite to the mid-channel flow.
Maryland · Up to 7.9 m
Artificial reef built from Reefballs, concrete pipe
New York · 7.6–33.5 m
The wreck of the schooner A.E. Vickery, which struck a shoal near Rock Island Lighthouse and sank on 15-16 August 1889, on the US side of the St. Lawrence River near Clayton in the Thousand Islands. One of the most popular dives on the river: a buoy line leads down through a swift surface current to the shoal head at 25-30 feet, with the bow near 65 feet, the stern dropping over a ledge to about 110 feet, and broken masts trailing into the channel to roughly 180 feet.