Residents beat the heat in South Boston, Dorchester

As Boston sizzled over the weekend, residents took to the Dorchester and South Boston waterfront to find relief from the heat.

Pictured: Swimmers cooled off at the Castle Island Beach in South Boston Saturday.

With coolers and chairs in tow, beachgoers descended on South Boston’s beaches, staking out their claim on the sandy shores.

Pictured: Jaffrey and Eloy Herdia, both Boston residents, carried their family’s cooler toward Castle Island Saturday.

Others avoided the beach and took to the shade.

Pictured: Martin Steinberg, a South End resident, enjoyed views of the waterfront from his shaded spot along Day Boulevard.

At Carson Beach in South Boston, swimmers took dips in the bay and tanned.

Some took advantage of the sea breeze and walked along South Boston’s portion of Harbor Walk.

Pictured: Colleen Fitzgerald, a Boston resident, gave her mother Kathleen Fitzgerald, a Connecticut resident, a tour of the Harbor Walk Saturday.

M Street beach was full of residents enjoying the sun Saturday.

Over in Dorchester, the beaches were a little less crowded, but the water was just as cool.

Pictured: Sabrina Chung, a Roslindale resident and lifeguard for the Department of Conservation and Recreation, kept a watchful eye over Malibu Beach in Dorchester’s Savin Hill neighborhood.

Tenean Beach, in Dorchester’s Port Norfolk neighborhood, was the least crowded over the weekend, offering its visitors solitude and sunshine.