What: 12 city blocks built as a neighborhood, retail, residential, office, community spaces and, potentially, a private school.
Size: 23 acres
Retail: 1.5 million square feet
Cost: $3 billion
When: Fourth-quarter 2008 or first-quarter 2009; first spaces open in 2011.
Players: W/S Development Associates, Gale International, Morgan Stanley Real Estate.
What: Nine-building luxury village, with office, residential, a 200-room hotel, a 4.5-acre park and marina.
Size: 21 acres
Retail: 300,000 square feet. Luxury and specialty boutiques, restaurants.
Cost: $2.5 billion to $3 billion
When: Marina in 2009, office space in 2010, hotel and residences in 2012.
Players: The Fallon Co.
What: Multilevel retail complex with adjoining visitor center.
Size: 11.3 acres, 1.1 million total square feet, hotel, two retail anchors, 19-story condo tower.
Retail: 640,000 square feet
Cost: $600 million
When: Construction begins in third-quarter or fourth-quarter 2008.
Players: The Drew Co., Vornado Realty Trust.
What: 1 million square feet including a 200-room hotel, office space, residences and waterfront park.
Size: 9.5 acres
Retail: 35,000 square feet
When: To be determined.
Players: New England Development Co.
What: Several condo and office conversion projects of 19th-century commercial buildings.
Size: Est. 20 buildings around the Fort Point Channel.
Retail: Small, ground-floor spaces.
Cost: $60 million for FP3.
When: FP3 opens this spring.
Players: Berkeley Investments, Goldman Properties, others.