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Maria Mitchell Association

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ToursTours - Natural HistoryCampsMuseums & Historic SitesNon-Profit Associations/Organizations

Hours:

See website for current hours. Administrative Offices Open Mon - Fri 9am - 5pm

About Us

The Nantucket Maria Mitchell Association is a private non-profit organization located on the island of Nantucket, Massachusetts. The Maria Mitchell Association (MMA) was founded in 1902 to preserve the legacy of Nantucket native astronomer, naturalist, librarian, and, above all, educator, Maria Mitchell. After she discovered a comet in 1847, Mitchell’s international fame led to many achievements and awards, including an appointment as the first American Professor of Astronomy at Vassar College. Maria Mitchell believed in “learning by doing” and today that philosophy is reflected in MMA’s mission statement, programs, research projects, and other activities.

The Maria Mitchell Association operates two observatories, a natural science museum, an aquarium, and preserves the historic birthplace of Maria Mitchell. A wide variety of science and history-related programming is offered throughout the year for people of all ages.

Events

Maria Mitchell Association Discovery Camp
Marine Ecology Field Trip
  • What sea creatures live around Nantucket? Find out as you help to collect, identify, and release fish, crabs, shrimp, and other marine creatures.
  • Friday Aug 1, 2025
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Friday Aug 1, 2025
Harbor Health and Coffee with Rich Blundell
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Friday Aug 1, 2025
Bug Bonanza
Maria Mitchell's Birthday Celebration
  • Maria Mitchell's Birthday Celebration, The Maria Mitchell Association, Family Friendly Event
  • Friday Aug 1, 2025
Stargazing at Loines Observatory
Grandparents' Day
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Saturday Aug 2, 2025
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Saturday Aug 2, 2025
Marine Storytime
Nature Storytime
Maria Mitchell's 207th Birthday
Vestal Street Observatory Opening Reception
6th Annual Green Crab Week
Nantucket Bird Walk
  • Explore Nantucket’s birdy landscapes and hidden nooks with local bird guide and Inquirer and Mirror columnist, Ginger Andrews.
  • Sunday Aug 3, 2025
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Sunday Aug 3, 2025
Maria Mitchell Association Discovery Camp
Marine Ecology Field Trip
  • What sea creatures live around Nantucket? Find out as you help to collect, identify, and release fish, crabs, shrimp, and other marine creatures.
  • Monday Aug 4, 2025
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Monday Aug 4, 2025
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Monday Aug 4, 2025
Bug Bonanza
Nantucket Green Crab Identification Workshop and Info Session
Stargazing at Loines Observatory
Maria Mitchell Association Discovery Camp
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Tuesday Aug 5, 2025
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Tuesday Aug 5, 2025
Marine Storytime
Kids' Metal Detecting 101
Nature Storytime
Nantucket Green Crab Survey: Bait and Line Method
Adult Metal Detecting 101
  • Join expert metal detectorist Nikoline Bohr for an exciting afternoon on the beautiful shores of Nantucket! This hands-on introductory course is designed for ad
  • Tuesday Aug 5, 2025
Night at the Museum
Maria Mitchell Association Discovery Camp
Marine Ecology Field Trip
  • What sea creatures live around Nantucket? Find out as you help to collect, identify, and release fish, crabs, shrimp, and other marine creatures.
  • Wednesday Aug 6, 2025
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Wednesday Aug 6, 2025
Ravenous Reptiles
Bug Bonanza
Stargazing at Loines Observatory
Maria Mitchell Association Discovery Camp
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Thursday Aug 7, 2025
Marine Storytime
"En Plein Air"
Annual Green Crab Fertilizer Workshop
Nature Storytime
Night at the Aquarium
Maria Mitchell Association Discovery Camp
Marine Ecology Field Trip
  • What sea creatures live around Nantucket? Find out as you help to collect, identify, and release fish, crabs, shrimp, and other marine creatures.
  • Friday Aug 8, 2025
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Friday Aug 8, 2025
Harbor Health and Coffee with Rich Blundell
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Friday Aug 8, 2025
Bug Bonanza
Nantucket Green Crab Survey: Wading & Hand Net
MMA Learning Lab: The Nature of Prosperity in a Beautiful Future with Rich Blundell
MMA Learning Lab: Finding Human Intelligence in an Age of AI with Rich Blundell
Full Moon Nature Walk -- Sturgeon Moon
Stargazing at Loines Observatory
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Saturday Aug 9, 2025
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Saturday Aug 9, 2025
Marine Storytime
Nature Storytime
Nantucket Bird Walk
  • Explore Nantucket’s birdy landscapes and hidden nooks with local bird guide and Inquirer and Mirror columnist, Ginger Andrews.
  • Sunday Aug 10, 2025
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Sunday Aug 10, 2025
Maria Mitchell Association Discovery Camp
Marine Ecology Field Trip
  • What sea creatures live around Nantucket? Find out as you help to collect, identify, and release fish, crabs, shrimp, and other marine creatures.
  • Monday Aug 11, 2025
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Monday Aug 11, 2025
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Monday Aug 11, 2025
Bug Bonanza
Stargazing at Loines Observatory
Maria Mitchell Association Discovery Camp
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Tuesday Aug 12, 2025
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Tuesday Aug 12, 2025
Marine Storytime
Kids' Metal Detecting 101
Nature Storytime
Adult Metal Detecting 101
  • Join expert metal detectorist Nikoline Bohr for an exciting afternoon on the beautiful shores of Nantucket! This hands-on introductory course is designed for ad
  • Tuesday Aug 12, 2025
Night at the Museum
Nighttime Marine Ecology Field Trip
Maria Mitchell Association Discovery Camp
Marine Ecology Field Trip
  • What sea creatures live around Nantucket? Find out as you help to collect, identify, and release fish, crabs, shrimp, and other marine creatures.
  • Wednesday Aug 13, 2025
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Wednesday Aug 13, 2025
Ravenous Reptiles
Bug Bonanza
Stargazing at Loines Observatory
Maria Mitchell Association Discovery Camp
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Thursday Aug 14, 2025
Marine Storytime
Close Looking: An Introduction to Scientific Illustration
  • Join us for an engaging Introduction to Scientific Illustration, where you’ll learn to capture the intricate beauty of nature through drawing.
  • Thursday Aug 14, 2025
"En Plein Air"
Nature Storytime
Night at the Aquarium
Maria Mitchell Association Discovery Camp
Marine Ecology Field Trip
  • What sea creatures live around Nantucket? Find out as you help to collect, identify, and release fish, crabs, shrimp, and other marine creatures.
  • Friday Aug 15, 2025
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Friday Aug 15, 2025
Harbor Health and Coffee with Rich Blundell
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Friday Aug 15, 2025
Bug Bonanza
Stargazing at Loines Observatory
Ravenous Reptiles
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Saturday Aug 16, 2025
Marine Storytime
Nature Storytime
Nantucket Bird Walk
  • Explore Nantucket’s birdy landscapes and hidden nooks with local bird guide and Inquirer and Mirror columnist, Ginger Andrews.
  • Sunday Aug 17, 2025
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Sunday Aug 17, 2025
Maria Mitchell Association Discovery Camp
Marine Ecology Field Trip
  • What sea creatures live around Nantucket? Find out as you help to collect, identify, and release fish, crabs, shrimp, and other marine creatures.
  • Monday Aug 18, 2025
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Monday Aug 18, 2025
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Monday Aug 18, 2025
Bug Bonanza
Stargazing at Loines Observatory
Maria Mitchell Association Discovery Camp
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Tuesday Aug 19, 2025
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Tuesday Aug 19, 2025
Marine Storytime
Kids' Metal Detecting 101
Nature Storytime
Adult Metal Detecting 101
  • Join expert metal detectorist Nikoline Bohr for an exciting afternoon on the beautiful shores of Nantucket! This hands-on introductory course is designed for ad
  • Tuesday Aug 19, 2025
Night at the Museum
Maria Mitchell Association Discovery Camp
Marine Ecology Field Trip
  • What sea creatures live around Nantucket? Find out as you help to collect, identify, and release fish, crabs, shrimp, and other marine creatures.
  • Wednesday Aug 20, 2025
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Wednesday Aug 20, 2025
Ravenous Reptiles
Bug Bonanza
The Magic of the Night and How We Can Save It with James Lowenthal
Stargazing at Loines Observatory
Maria Mitchell Association Discovery Camp
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Thursday Aug 21, 2025
Marine Storytime
"En Plein Air"
Nature Storytime
Night at the Aquarium
Maria Mitchell Association Discovery Camp
Marine Ecology Field Trip
  • What sea creatures live around Nantucket? Find out as you help to collect, identify, and release fish, crabs, shrimp, and other marine creatures.
  • Friday Aug 22, 2025
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Friday Aug 22, 2025
Harbor Health and Coffee with Rich Blundell
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Friday Aug 22, 2025
MMA Learning Lab with Leadership Coach Jeannie Esti
MMA Learning Lab with Leadership Coach Jeannie Esti
Bug Bonanza
Stargazing at Loines Observatory
Ravenous Reptiles
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Saturday Aug 23, 2025
Marine Storytime
Nature Storytime
Nantucket Bird Walk
  • Explore Nantucket’s birdy landscapes and hidden nooks with local bird guide and Inquirer and Mirror columnist, Ginger Andrews.
  • Sunday Aug 24, 2025
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Sunday Aug 24, 2025
Maria Mitchell Association Discovery Camp
Marine Ecology Field Trip
  • What sea creatures live around Nantucket? Find out as you help to collect, identify, and release fish, crabs, shrimp, and other marine creatures.
  • Monday Aug 25, 2025
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Monday Aug 25, 2025
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Monday Aug 25, 2025
Bug Bonanza
Stargazing at Loines Observatory
Maria Mitchell Association Discovery Camp
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Tuesday Aug 26, 2025
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Tuesday Aug 26, 2025
Marine Storytime
Kids' Metal Detecting 101
Nature Storytime
Adult Metal Detecting 101
  • Join expert metal detectorist Nikoline Bohr for an exciting afternoon on the beautiful shores of Nantucket! This hands-on introductory course is designed for ad
  • Tuesday Aug 26, 2025
Night at the Museum
Nighttime Marine Ecology Field Trip
Maria Mitchell Association Discovery Camp
Marine Ecology Field Trip
  • What sea creatures live around Nantucket? Find out as you help to collect, identify, and release fish, crabs, shrimp, and other marine creatures.
  • Wednesday Aug 27, 2025
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Wednesday Aug 27, 2025
Ravenous Reptiles
Bug Bonanza
Stargazing at Loines Observatory
Maria Mitchell Association Discovery Camp
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Thursday Aug 28, 2025
Marine Storytime
Close Looking: An Introduction to Scientific Illustration
  • Join us for an engaging Introduction to Scientific Illustration, where you’ll learn to capture the intricate beauty of nature through drawing.
  • Thursday Aug 28, 2025
"En Plein Air"
Nature Storytime
Night at the Aquarium
Maria Mitchell Association Discovery Camp
Marine Ecology Field Trip
  • What sea creatures live around Nantucket? Find out as you help to collect, identify, and release fish, crabs, shrimp, and other marine creatures.
  • Friday Aug 29, 2025
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Friday Aug 29, 2025
Harbor Health and Coffee with Rich Blundell
Ravenous Reptiles
  • Join MMA staff on a tour as they feed the hungry animals at the Natural Science Museum!
  • Friday Aug 29, 2025
Bug Bonanza
Stargazing at Loines Observatory
Ravenous Reptiles
Feeding frenzy
  • Join MMA Aquarists and staff on a tour as they feed the ever-hungry creatures at the Aquarium before it opens to the public.
  • Saturday Aug 30, 2025
Marine Storytime
Nature Storytime
Nantucket Bird Walk
  • Explore Nantucket’s birdy landscapes and hidden nooks with local bird guide and Inquirer and Mirror columnist, Ginger Andrews.
  • Sunday Aug 31, 2025
Marine Storytime
Marine Storytime
Harbor Health and Coffee with Rich Blundell
Maria Mitchell and the Daring Daughters of Nantucket Island
Maria Mitchell and the Daring Daughters of Nantucket Island
Marine Storytime
Four Centuries Domestic Architecture Tour
Four Centuries Domestic Architecture Tour
Nantucket Bird Walk
  • Explore Nantucket’s birdy landscapes and hidden nooks with local bird guide and Inquirer and Mirror columnist, Ginger Andrews.
  • Sunday Sep 7, 2025
Marine Storytime
Marine Storytime
Harbor Health and Coffee with Rich Blundell
Marine Storytime
Nantucket Bird Walk
  • Explore Nantucket’s birdy landscapes and hidden nooks with local bird guide and Inquirer and Mirror columnist, Ginger Andrews.
  • Sunday Sep 14, 2025
Marine Storytime
Marine Storytime
Harbor Health and Coffee with Rich Blundell
Marine Storytime
Nantucket Bird Walk
  • Explore Nantucket’s birdy landscapes and hidden nooks with local bird guide and Inquirer and Mirror columnist, Ginger Andrews.
  • Sunday Sep 21, 2025
Marine Storytime
Marine Storytime
Marine Storytime
Maria Mitchell and the Daring Daughters of Nantucket Island
Maria Mitchell and the Daring Daughters of Nantucket Island
Nantucket Bird Walk
  • Explore Nantucket’s birdy landscapes and hidden nooks with local bird guide and Inquirer and Mirror columnist, Ginger Andrews.
  • Sunday Sep 28, 2025
Marine Storytime

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