Blood donation on Hydra, 10–11 October
The Municipality of Hydra has announced its 30th voluntary blood donation, at the Kouloureio Hospital on Saturday 10 and Sunday 11 October 2026.
Three sessions are open across the two days, morning and evening on the Saturday. “Give blood… give life.”
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School Supplies Collection Drive
The Municipality of Hydra is once again collecting school supplies for families in need — 2–11 September 2026, at the Town Hall.
Kostas Grammatopoulos — “Traces of the Aegean”
A major exhibition dedicated to Greek engraver Kostas Grammatopoulos (1916–2003) at the Historical Archives – Museum of Hydra — 5 September to 31 October 2026 (opening 5 September, 19:00).
Hydra Municipal Tennis Court — booking & how to play
The pilot electronic booking system is live (trial period until 31 August). Here's how to book the court, collect the keys and play.
Saronic Chamber Music Festival
The Saronic Chamber Music Festival's 15th year — with two Hydra concerts: 27 Aug (Melina Merkouri Hall) & 29 Aug (Old Carpet Factory). Concerts start 21:00.