Yes, ESIM.DOG offers unlimited data eSIM plans for Sint Maarten. The provider lists several unlimited options with validity periods ranging from 1 day to 30 days, with prices from $11.99 USD for a 1‑day plan up to $773.87 USD for a 30‑day plan. All unlimited plans are 5G, allow tethering, and state that speed may be throttled; the maximum speed is 512kbps for most plans and 384kbps for a few.
Because the plans are subject to a Fair Usage Policy, speeds can be reduced after heavy usage. Travelers who want to confirm the typical amount of data available at normal speed or who have concerns about speed restrictions should contact ESIM.DOG directly.