Operated by Massachusetts Bay Lines. 4-hr whale watches out of downtown Boston from late May - late Sept.

46' private charter boat with 6 person maximum for deep sea fishing or custom charters such as sight seeing, diving, or whale watching.

Three hour narrated whale watches aboard high-speed catamarans to Stellwagen Bank. Tours, charters, tickets, schedules, photos, whale facts, and contacts. Trips from Provincetown also.

They have been whale watching longer than anyone in this area, with a sighting record of 99.5% since 1979. Whale sightings are guaranteed or you receive a one year season pass. Daunty Fleet-Gloucester, MA. Claims the best Humpback sighting record for Boston North for 2001, 2002, 2003.

Crosses Cape Cod Bay from Plymouth, MA; April - October. 4hr trips teach about whales, whale behavior and seabirds. Has a "Floating Classroom" program.

Whale watch cruises out of Gloucester. Prices, directions, charters, and contact information.

The originators of whalewatching on the East Coast and the largest, most experienced fleet in the country. Scientists and naturalists serve as naturalists exclusively on the Dolphin Fleet.

Trips from Downtown Boston. On-board exhibits and interactive programs. Operates June through October.

Tours from Newburyport, MA; May to October. 4 - 4 1/2 hour trips. Great tips for photographing whales. School trips a specialty.

Provincetown. April - October. Claims 99% sighting rate in fifteen years.

One of the oldest Gloucester whale watch companies. Offers guaranteed sightings. Operates late April through October.

Offers private charters for up to 6 people out of Provincetown at the tip of Cape Cod.

Underwater plateau of sand just offshore of the Massachusetts coast and a place of biodiversity.

Whale watching cruises in Barnstable, MA.

Whale watching and deep sea fishing fleet with daily trips from Gloucester, MA on scenic Cape Ann. Naturalist led marine life sight seeing.