Pleasure Bay, the M Street Beach and Carson Beach form a three mile stretch of parkland along the South Boston shoreline of Dorchester Bay.

Carson Beach offers some beautiful views and great public amenities:

Mothers' Rest Area
Public restrooms - closed
Exhibit space
Lifeguard services (Memorial Day to Labour Day)
Outdoor courtyards for relaxation

Source: Learn more about Castle Island, Pleasure Bay, M Street Beach, and Carson Beach | Mass.gov