| HELIANTHUS III (yacht) | |
| Location: | Hilton Inn dock, Annapolis, Maryland |
| Built: | 1920 |
| Architect: | Herreshoff, Nathaniel Greene |
| Architecture: | Yacht |
| Added: | August 09, 1984 |
| Refnum: | 84001343 |
The Helianthus III was a yacht, built by Nathanael Greene Herreshoff (1848–1938) in 1924. She was a ketch-rigged wooden vessel, 62½' long on deck with a 13'-9" beam and 4'-6" draft. Before being lost at sea in the 1990s, she was docked at Annapolis, Anne Arundel County, Maryland.[1]
She was listed on the National Register of Historic Places in 1984.