Further rewards followed after the end of the war; he was appointed a Companion of the Bath on 4 June 1815, nominated a Colonel of the Royal Marines on 12 August 1819 and promoted to Knight Commander of the Bath on 8 June 1831. The Dutch nominated him a Knight of the Military Order of Wilhelm in 1816. Baker became a rear-admiral on 19 July 1821, and took up the position of commander-in-chief on the South America Station in 1829. During his period of command, the second voyage of took place, carrying the naturalist Charles Darwin. The "Beagle" came under his orders as the senior officer of the station, and he was requested by the Admiralty to supply any of the needs of the surveying mission. Baker remained in command of the station until 1833. The Baker River (Chile) bears his name. He returned home, was promoted to vice-admiral on 10 January 1837, and died at Walmer on 26 January 1845, at the age of 74.