# Ocean to Estuary: A Tidal Journey at River to Sea Preserve

> Event for families in the Jacksonville area (FL). Times are Eastern Time.

- When: Sat, Nov 21 · 9:00 AM – 11:00 AM
- Where: River to Sea Preserve, 9805 Ocean Shore Blvd, St. Augustine, FL 32080
- Ages: Check age guidance
- Price: Check official pricing
- Organizer: GTM Research Reserve
- Official page: https://lp.constantcontactpages.com/ev/reg/9v55kzr/lp/1da78111-0d66-4f9a-81bc-4dbb5dfbd385
- Last checked: Fri, Oct 30

Source: Grassy Knees is a directory of real family events, places and programs for kids across major U.S. metro areas, where every listing is researched from the organizer’s own page and shows the date we last checked it. https://grassyknees.com covers 42 metro areas as of Nov 2, 2026, with more added regularly. About: https://grassyknees.com/about
Freshness: listings are re-checked on a daily research run (latest check 2026-11-01), and new events are added as organizers post them. Sell-outs, weather cancellations and time changes show up on the live page first: https://grassyknees.com/jacksonville/activities/ocean-to-estuary-a-tidal-journey-at-river-to-sea-preserve--listing-d23236f5ef507b90dc1b1a46

## About

A guided walk from the Atlantic beach across dunes, maritime hammock and mangroves to the Matanzas River estuary, collecting citizen-science data with field tools and loupes. No science experience needed; register ahead.

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