M Street Beach

42.329753, -71.033130
M Street/William J. Day Blvd.
Boston, MA 02127
(617) 626-1250
Suffolk County

M Street Beach is part of a three mile stretch of beach located within the city of Boston. Connected to Carson Beach, M Street Beach does not have the amenities Carson Beach, offers but it does have a “local” feel to it with the parking restrictions located around it. The sand is soft and plentiful, somewhat rocky, with rough shell pieces. At water’s edge the sand can be soft and muddy; the water is on the calm side but it can be cloudy at times due to sand being imported in. M Street Beach is a great location to relax after working out at the Curley Community Center or just walking the beach relaxing with family and friends.

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Hours Of Operation

Dawn to dusk

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Parking is free and available on William J Day Blvd, Columbia Road, and the other surrounding streets. Please be aware that at William J Day Blvd you need a resident permit 10pm-7am, and be mindful of street sweeping signs. On Columbia Road and the other surrounding streets, resident permit parking begins at 6pm-10am Monday through Friday, with two hour visitor parking 6pm-10am Monday through Friday. Please pay attention to all signage for street sweeping.

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Life Guard Schedule

On-site during summer months

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Not allowed

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Michelle’s Seaside Café is walking distance at Carson Beach; in addition, there are other food vendors located within 5-10 minutes driving.

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Motels/hotels are within 5-10 minutes driving.

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Dogs are not allowed on the beach from May 1st through September 30th. Dogs must be on a leash or voice control.

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Picnic Area


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Joe Moakley Park is within walking distance.

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Public Transportation

Please see the link below for times and other modes of public transportation.

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Restrooms / Showers

Restrooms and showers for rinsing are available on-site

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Surfing/Kayaking/Paddle Boarding


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Walking Trails

Part of the Boston Harbor Walk travels through M Street Beach (great for walking, running, and biking) and a pleasant walk along the beach. http://www.mobilemaplets.com/showplace/7303

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Water Quality

Water quality is monitored from Memorial Day to Labor Day. For more information please call (617) 626-1250. The accepted standard is 104 CFU/100mL in a single day or an average of 35 CFU/100mL over five days. The link below is the test results from 2005 to the current year. M Street Beach Water Quality

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Water Temperature

(Click on “View more buoy data” to view water temperature.) 

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