Atlantic Avenue Beach

No dogs from Memorial Day weekend to Labor Day. Dogs allowed the rest of the time (local leash laws apply)

Source: Town of Harwich, beach rules and regulations. Checked October 27, 2026.

Shorebird nesting areas can close to dogs at short notice. Follow the signs at the beach.

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Town of Harwich: the rule in full

No animals or pets on town beaches in the summer season. At Red River Beach, dogs may be walked in the parking lot only, from dawn to 9am and 4:30pm to dusk, Memorial Day weekend to Labor Day. The rules sheet doesn't print dates for the main ban; we show the Memorial Day weekend to Labor Day season it gives.

Dog walks nearby

• Nauset Bike TrailNo dogs from May 1 to October 31. Dogs on a leash from November 1 to April 30. Dogs on a leash the rest of the time
• Doane TrailDogs on a leash all year

Nearby beaches

• Bank Street BeachNo dogs from Memorial Day weekend to Labor Day. Dogs allowed the rest of the time (local leash laws apply)
• Earle Road BeachNo dogs from Memorial Day weekend to Labor Day. Dogs allowed the rest of the time (local leash laws apply)
• Red River BeachNo dogs from Memorial Day weekend to Labor Day. Dogs allowed the rest of the time (local leash laws apply)
• Haigis BeachNo dogs from the Friday before Memorial Day to Labor Day. Dogs allowed the rest of the time (local leash laws apply)
• Cockle Cove BeachNo dogs from May 1 to September 15. Dogs allowed the rest of the time (local leash laws apply)