Activities, ranger tours, and most programs are included with your ferry ticket.

Stewardship Saturday AND Bioblitz at Grape Island

Come join park biologists and volunteer stewards for a Stewardship Saturday at Grape Island!

Volunteers will have an opportunity to focus on two activities throughout the day. Volunteers can chose to participate in both opportunities throughout the day.

  • Help us control non-native invasive plants and enhance native ecosystems
  • Explore and document local flora and fauna of the park using the app iNaturalist

This event falls within the documentation period for the nationwide City Nature Challenge. If you are interested in participating in documentation biodiversity in addition to helping in field work, please come prepared with a camera or iNaturalist downloaded onto your mobile device! Some tips and training can be provided.

Registration is required for these events.

See a Day as a Park Steward for what it’s like to join us!

Directions: Departure will be from Fox Point Pavilion at UMass Boston. Parking is available on campus, and the JFK/UMass stop on the Red Line is approximately a one mile walk away.

Timing: The boat departs at 9am. We will return by 3pm.

What to wear: Long-sleeved shirts, long pants, socks, closed-toe shoes, and layers for the weather. Conditions can be unpredictable so please monitor the weather in the days leading up to the event and dress appropriately.

What to bring: Bring a lunch and a reusable water bottle. Sunscreen and a hat are always recommended. Tools, gloves, and PPE will be provided.

If you are specifically interested in documenting biodiversity, please consider coming with the iNaturalist app downloaded onto your mobile device.

Event will run rain or shine, however, may be cancelled due to severe weather.

Location is subject to change. Information will be shared immediately about any changes.

If you are under 18 and interested in volunteering, please contact us directly ( as we have special guidance and does not allow minor applications.

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