Patrol Craft (see also current listing)
Back to USN Retired Amphibious Warfare Ships (not Amphibious Assault Ships)
Asheville Class Gunboats LOA 165′ / 50.3 m TDISP 240 tons (17, 15 retired and sold to other navies, 2 were in service and Naval Surface Warfare Centers until ca. 2016)
USS Canon PG-90 (1968-1977) Served in Vietnam and was extensively damaged by shore based rockets. Laid up in Philadelphia Inactive Ships Facility, currently on hold for possible preservation.
PCE-842-class LOA 184′ / 56.1 m TDISP 850 tons
ex-USS PCE-897 (1945) transferred to Philippine Navy 1948 as BRP Iloilo PS-32 decommissioned 2016
SC-497 class submarine chasers LOA 111′ / 33.8 m TDISP 100 tons (438 built, 17 lost, 2 preserved)
SC-715 (1943-1946). WW2 service in both Atlantic and Pacific. Transferred to Coast Guard as USCGC Air Killdeer WAVR 433 (1946-1948) sold privately as MV Cape Pine 1951. Fishing boat in BC and now a charter boat out of Pender Harbour, BC.
Hydrofoil patrol vessels
Pegasus Class fast attack patrol boats LOA 133′ / 40.5 m TDISP 255 tons (6 built, 1 preserved)
USS Aries PHM-5 (1982-1993) currently attempts are being made to create a hydrofoil museum with several preserved craft. Vessels originally armed with a 76mm gun and harpoon missile racks for 8 missiles on the stern.
USS Gemini PHM-6 (1982-1993) retired near Wilmington NC, purchased by private owners who converted it in 2006 to a private yacht. Sold again and came back to same location by 2009. In 2011 was abandoned on site, and owner had it scrapped 2014. A youtube video shows conversion views [link].
USS Plainview AGEH-1 (1969-1978) unique hydrofoil. LOA 220′ / 67.1 m TDISP 310 tons. Scrapping at Hungry Harbor WA, ongoing for many years.
USS High Point PCH-1 (1963-1980) first US Navy hydrofoil. LOA 115′ / 35.1 m TDISP 110 tons Under restoration near Astoria, OR, for preservation as museum ship.
PT Boats and Fast Attack Craft
Nasty class Patrol Boat (20 built, 6 lost, 2 preserved service 1962-1981). LOA 80′ / 24.5m TDISP 80 tons. Built to a Norwegian design, all saw service in Vietnam, where some were temporarily transferred to Republic of Vietnam Navy. Wooden hulled.
PTF-3 (1962-1977) at Deland Naval Air Station Museum, Deland FL long restoration. 
PTF-17 (1967-1981) Under restoration at the Buffalo and Erie County Naval and Military Park, Buffalo NY.
PTF-26 (1968-1990) Osprey class fast patrol boat LOA 95′ / 28.9m TDISP 123 tons. (only boat remaining of four aluminum-hulled enlargements of the Nasty class) Museum boat at Liberty Maritime Museum, Morro Bay, CA. Sold to a group in Kentucky and under repairs pending delivery to Maritime Pastoral Training Foundation, Paducah, KT. 
PT-Boats
Several WW2 varieties below. Elco 80′ / 24.4m boats TDISP 56 tons. Higgins Boats 78′ / 23.9 m TDISP 51.5 tons. Vosper licence-built boats 70′ / 21 m. These US-built boats were used for Lend-Lease.
PT-658 Higgins 78′ boat restored and operates out of Swan Island, Portland, Oregon.
Higgins type 78-foot Pt-Boat transferred to Argentina as ARA Towora P-24. Preserved at Ushuaia, Tierra del Fuego near airport. One of ten boats purchased in 1948. Towora and ARA Alakush P-82 were sent to Ushuaia in 1968, to enforce an Argentine naval presence, and served until 1984. Both boats received extensive modifications.
PT-728 Vosper 70′ / 21.3 m boat was being restored by Fleet Obsolete, Kingston NY, sold 2012 to Liberty Aviation Museum, Clinton OH. Restoration continues. 
Experimental PT Boats
PT-3 Very lightweight 58′ / 17.7 m trials boat TDISP 25 tons. Unique wooden-hulled construction with a complex hull form. Built at Fisher Boat Works, Detroit, 1940. Transferred to the Royal Canadian Air Force 1941-1945 (along with PT-4 to PT-7) and served at Eastern Air Command as the High Speed Rescue Launch Bras d’Or M-413 / B-119. According to Jerry Proc’s listing of RCAF marine vessels on his website, this was also briefly in service with the RCN as HMC HSL-262, pennant V-262. Returned to USN then disposed 1946. Located at the back of a boatyard in New Jersey ca. 2000, at Flanigan Brothers Boatyard, Fairfield NJ, possibly under long restoration, still extant as of 2021.
The Searchers 