Chip Chop, the 20-acre waterfront estate at the entrance to Lake Tashmoo owned for decades by television journalist Diane Sawyer, was sold today. The buyer was not disclosed, but it is believed to be real estate investor David Malm, who is listed as manager of an LLC associated with the sale.

In order to comply with revised state and federal shellfish sanitation rules, the anchorage area along the pond’s boundary with Oak Bluffs has been expanded to about 50 acres. The area will be closed to all shellfishing from April through October.

Chip Chop, the richly storied waterfront estate built by stage actress Katharine Cornell that has graced the entrance to Lake Tashmoo in Vineyard Haven for nearly 80 years, goes up for sale today.

Lake Tashmoo is not dead, but it is on life support.

The Tisbury select board voted unanimously Wednesday to impose an immediate moratorium on anchoring in Lake Tashmoo until the town has developed a policy to reduce the number of visiting boats.

The temporary ban was proposed last month by town administrator Jay Grande, who on Wednesday repeated his concerns about the impact of visiting boats on the environmental health of the estuary and the quality of life for lakeside residents.

Worried about environmental damage, Tisbury officials are scheduled to talk about a potential moratorium on March 8.

Tisbury officials have halted construction at a large property overlooking Lake Tashmoo after discovering that work on a revetment did not comply with proper permitting procedure.

The Martha’s Vineyard Land Bank announced Monday that it has added to its beachfront holdings in Vineyard Haven with the purchase of a small property on the Tashmoo peninsula.

Island environmental group Tisbury Waterways, Inc. holds its annual public meeting on Zoom August 27.