Here is what the Navy Records say should be in the area. I'll bet that they are all within 20 miles of the pass:
Operation Crossroads: Disposition of Target Vessels
Battleships
USS Pennsylvania (BB-38) scuttled off Kwajalein, Marshall Islands, 10 February 1948.
Cruisers
Prinz Eugen (IX-300) stranded and sank at Kwajalein, 22 December 1946.
Destroyers
USS Mayrant (DD-402) sunk off Kwajalein, 4 April 1948.
USS Mustin (DD-413) sunk off Kwajalein, 18 March 1948.
USS Ralph Talbot (DD-390) scuttled off Kwajalein, March 1948.
USS Rhind (DD-404) scuttled off Kwajalein, 22 March 1948.
USS Stack (DD-406) sunk as target off Kwajalein, 24 April 1948.
USS Trippe (DD-403) sunk as target off Kwajalein, 3 February 1948.
USS Wainwright (DD-419) sunk as target off Kwajalein, 5 July 1948.
USS Wilson (DD-408) scuttled off Kwajalein, 8 March 1948.
Attack Transports
USS Banner (APA-60) scuttled off Kwajalein, 16 February 1948.
USS Barrow (APA-61) scuttled off Kwajalein, 11 May 1948.
USS Bracken (APA-64) scuttled off Kwajalein, 10 March 1948.
USS Briscoe (APA-65) scuttled off Marshall Islands, 6 May 1948.
USS Brule (APA-66) scuttled off Kwajalein, 11 May 1948.
USS Butte (APA-68) scuttled off Kwajalein, 12 May 1948.
USS Dawson (APA-79) scuttled off Kwajalein, 19 March 1948.
USS Fallon (APA-81) scuttled off Kwajalein, 10 March 1948.
LSTs (Landing Ship, Tank)
USS LST-133 scuttled off Kwajalein, 11 May 1948.
USS LST-220 scuttled off Kwajalein, 12 May 1948.
USS LST-545 scuttled off Kwajalein, 12 May 1948.
USS LST-661 scuttled off Kwajalein, 25 July 1948.
LSMs (Landing Ship, Medium)
LCT-412 scuttled off Kwajalein, September 1947.
LCT-705 scuttled off Kwajalein, September 1947.
LCT-746 scuttled off Kwajalein, March 1947.
LCT-816 scuttled off Kwajalein, June 1947.
LCT-818 scuttled off Kwajalein, September 1947.
LCT-874 scuttled off Kwajalein, September 1947.
LCT-1013 scuttled off Kwajalein, September 1947.
LCT-1078 scuttled off Kwajalein, September 1947.
LCT-1112 scuttled off Kwajalein, September 1947.
LCT-1113 scuttled off Kwajalein, June 1947.
Auxiliaries
YOG-83 scuttled off Kwajalein, 16 September 1948.
LCIs (Landing Craft, Infantry)
LCI-327 destroyed on Bascombe (Mek) Island, Kwajalein, 30 October 1947.
LCI-329 scuttled off Kwajalein, 16 March 1948.
LCI-332 scuttled off Kwajalein, September 1947.