Barbados coastline: geoBoundaries / Wikimedia.
Source: https://www.geoboundaries.org/api/current/gbOpen/BRB/ADM0/
Geometry: https://github.com/wmgeolab/geoBoundaries/raw/9469f09/releaseData/gbOpen/BRB/ADM0/geoBoundaries-BRB-ADM0_simplified.geojson
License: Creative Commons Attribution 2.5 Generic
License terms: https://creativecommons.org/licenses/by/2.5/
Changes: simplified coastline, rescaled coordinates and triangulation for a 3D animation. Terrain heights, light and ocean are artistic illustration, not measured topography.

Homepage beach image: original AI-generated Caribbean beach artwork for Lion Transport.