The museum and planetarium will close for redevelopment from 13 September 2026, with reopening planned for early 2027. Check the operator’s announcement before planning a visit.
Based in the old coastguard station beside Greencastle Harbour, the museum explores Inishowen’s maritime history through ships, seafaring and local artefacts. Its planetarium presents dome films about the ocean, Earth and space; check which shows are suitable for your children and book ahead.
At a glance
Rainy day pick
A great choice when the weather is against you
What parents should know
The museum and planetarium will close for redevelopment from 13 September 2026, with reopening planned for early 2027.
Best timing
Perfect for a quick rainy day visit
The museum takes just 30–60 minutes to explore, making it ideal for filling a rainy afternoon without overcommitting.
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Today
Light drizzle
16°C
Light showers expected — plan for indoor spells
Plan your visit
Greencastle
Worth combining
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