Based on the available data for horse-friendly campgrounds near Massapequa, New York, options are limited as neither Liberty Harbor RV Park nor Allaire State Park offers dedicated horse corrals. Liberty Harbor RV Park primarily functions as a parking lot-style RV park with electric and water hookups, located in Jersey City with views of Manhattan and the Statue of Liberty. The park prohibits fires and does not feature any specific equestrian facilities or trail access, making it unsuitable for travelers with horses.
Allaire State Park, currently closed for renovations, has historically offered sites for tent camping, RVs, and cabins, along with hiking and biking trails. While the park permits pets, no specific horse facilities such as corrals, stalls, or equestrian trails are mentioned in the data. The park's trails connect to nearby areas, with some campers noting it provides a nice bike ride to Ocean Grove and other beach towns. Horse owners seeking dedicated equestrian camping would need to look beyond these immediate options for facilities that accommodate horses with proper corrals, manure disposal, and access to bridle trails.