Water Park · Nashua
Castaway Island
Why Scout picked it
Castaway Island is a dedicated water park best for a 3-hour family outing, costing around $20-50 per person for entry. It's an outdoor activity that pairs well with sunny summer days and requires a swimsuit.
While you're nearby
Scout verified August 2026
Where to stay
Hotels near Castaway Island
Find a place to stay within a short drive of Castaway Island.
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