Jacksonville.—The commercial mart, or great entrepôt, of Florida. In Duval county, on the St. John’s River.
Jasper—County-seat of Hamilton county. Post-office.
Jefferson County.—County-seat, Monticello.
Jennings.—In Hamilton county, near the Georgia line. Post-office.
Jupiter Narrows.—On the Atlantic coast, near New Smyrna.
Key Largo.—The longest on the coast of Florida.
Key West.—County-seat of Monroe county. Post-office.
Key Biscayne.—Small settlement. County-seat of Dade county. Post-office.
King’s Road.—Built by Governor Grant, from New Smyrna to St. Mary’s, via St. Augustine and Jacksonville.
Kissime River.—In Brevard county.