One provision of the treaty set up a Mixed Commission Court in Havana to deal with Spanish ships caught by the Royal Navy while trying to carry Africans to slavery in Cuba.

A similar British-Portuguese court in Sierra Leone ruled on Portuguese slave ships caught by the Royal Navy.

On 19 December 1827, Nimble ran aground near the Florida Keys while engaged in a gun battle with the Spanish slave ship Guerrero.

On 16 November 1829, Nimble captured the Spanish slave ship Gallito, carrying 16 crew and 136 Africans, near the Berry Islands, and took her to Havana.

At first settled on isolated Highburn Cay, many were later recruited into the West India Regiment and the rest were apprenticed to white Bahamians.

When Nimble tried to take the captured ship to Havana for disposition by the Mixed Commission Court, she was turned away because of a cholera epidemic in Cuba, and the Africans were taken to Trinidad.

[13] On 10 November 1833, Nimble captured the Spanish slave ship Joaquina, carrying 348 Africans, after a battle near the Isle of Pines.

[14] A few days later, Nimble drove on shore the Spanish schooner Amistad Habanera on a lightly inhabited part of the Isle of Pines.

[17] While under the command of Lieutenant Bolton from 24 February 1833 until the wreck, Nimble captured six slave vessels with a total of 1,902 Africans aboard.

On the way to Havana, Nimble met bad weather, and on 4 November was driven onto a reef near Cay Verde on the north side of the Old Bahama Channel.