Massachusetts

Boston Harbor Diving Company
87 Woodside Avenue, Winthrop
(617) 846-5151

Cape Ann Diver & Cape Ann Diver II, Gloucester
(978) 281-8082
Specializes in sites throughout Massachusetts Bay.

Easy Diver, Gloucester
(978) 525-3432
Specializes in sites in and around Cape Ann.

Fugitive, North Weymouth
(781) 335-6124
A dive/fishing/whale watch charter boat.

Gauntlet, Salem
(617) 480-5261
Specializes in technical wreck dives.

Grouper Trooper, Hingham
(617) 529-4317
Offers customized charters to sites in MA Bay

In Depth, Winthrop (The Boston Harbor Diving Company)
(617) 846-5151
Specializes in sites around Boston Harbor.

Lucky Lady, Barnstable
(888) 488-3483
This is a fishing charter boat that also takes divers to Cape Cod sites.

Tip-N-Ring, Plymouth (Pilothouse Charters)
(603) 785-8777
This is a fishing charter boat that also takes small groups of divers to sites off the south shore.

Rhode Island

Argonaut, Night Owl, Jamestown
(401) 423-1662
Specializes in a variety of sites off Rhode Island.

Snappa, Galilee
(401) 782-4040
Specializes in shark cage dives.

New Hampshire

Lady-Go-Diva, Lake Winnipesaukee
(603) 569-8080
A charter boat that takes divers to sites on Lake Winnipesaukee

Northwind Charters, Portsmouth
(603) 431-3188
A fishing charter boat that also takes divers to the Isles of Shoals and coastal NH

Reel Jerk, Hampton
(603) 264-5375
A fishing charter boat that also takes divers to the Isles of Shoals and coastal NH

Connecticut

Atlantis, New London
(860) 437-3662

Orbit Marine, Bridgeport
(800) 395-3483

Maine

Lady Anne, Port Clyde (Sea Ventures Charters)
(207) 685-4693
Specializes in a variety of dives around mid-coast Maine, including shark cage dives in August.