Why do people have bank accounts in The Bahamas?

BANK OF AMER CA National Association 10 Bank of Prairie Village 7 Bank of Stronghurst 3 BANKIOWA 5 CLEAR MNT Bank 9 Crowell State Bank 7 Denali State Bank 9 First Bank of Blue Earth 4 First CR Bank 7 First Freedom Bank 3 First National Bank of Fairfax 1 First State Bank of Dongola 4 Idabel National Bank 11 Jackson County Bank 11 MERCANTILE Bank 13 Merchants & Citizens Bank 2 PS Bank 29 Root River State Bank 3 SCHAUMBURG B&TC National Association 5 STAR FNCL Bank 14