[1] He was born in Paris, the only son of Florestan, Prince of Monaco, and Maria Caroline Gibert de Lametz.

[2] The Principality was in dire need of cash flow,[3] so Prince Charles and his mother, Princess Caroline, had the idea of erecting a casino.

[2] He received the following decorations and awards: In his middle years his sight greatly weakened, and by the last decade of his life he had become almost totally blind.

In fact, Dr. Thomas Henry Pickering wrote in 1882: "So far back as 1860, Prince Charles lost his eyesight...."[5] He died at Château de Marchais on 10 September 1889.

In 1966 Monaco released a 10 Francs silver coin in the memory of the 100th anniversary of Monte Carlo, portraying Prince Charles’ III on its obverse.