Yes, ESIM.DOG offers unlimited data eSIM plans for Saint Barthélemy. The plans vary in validity from 1 to 30 days and are priced between $1.48 and $17.35. The data allowance is unlimited, but the speed may be throttled after heavy use, with a maximum advertised speed of 1000 kbps under normal conditions.
Some of the unlimited plans are also part of a broader Latin America package that includes Saint Barthélemy, offering the same unlimited data and speed limits. If you are concerned about potential speed reductions, it is advisable to contact ESIM.DOG directly to confirm how the Fair Usage Policy applies and what typical speeds you can expect.