Avoya Travel via ShermansTravel discounts a range of Caribbean cruises, with prices starting from $419 per person. Save on 7- to 15-night cruises departing from Miami, FL, Galveston, TX, San Juan, Puerto Rico, and more. Book this travel deal by June 30 for select cruises through December 31. Buy Now Tips Select sailings qualify for up to $350 onboard credit, BOGO 50% fares, and free specialty dining experiences. Additional taxes and fees apply.