The resident said a blaze was seen at Combe Haven Holiday Park in Harley Shute Road at around 1pm.
East Sussex Fire and Rescue Service said the blaze was in a caravan.
A fire service spokesperson added: “Five breathing apparatus wearers used two hose reels to extinguish the fire. No casualties were reported.”
The holiday park has been contacted for more information.
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1. Fire at Hastings holiday park
Fire at Hastings holiday park Photo: Johnny Galliano
2. Fire at Hastings holiday park
Fire at Hastings holiday park Photo: Johnny Galliano
3. Fire at Hastings holiday park
Fire at Hastings holiday park Photo: Johnny Galliano
4. Fire at Hastings holiday park
Fire at Hastings holiday park Photo: Johnny Galliano