http://www.dnr.state.md.us/fisheries/crab/2007recreationalcrabsummary.htmlINDIVIDUAL CRABBING
A license is required of an individual who uses the following gear or takes the following quantity of crabs:
Trotline (1200 feet of baited line maximum allowed) floats must be the same size, color and shape
11 to 30 traps or rings Up to 10 eel pots for own bait
More than 2 dozen with a limit of 1 bushel of hard crabs
More than 1 dozen with a limit of 2 dozen soft crabs or peelers
A license is NOT required of an individual who uses only the following gear and takes the following quantity of crabs:
10 or fewer traps and rings
dipnets
handlines No more than 2 dozen hard crabs
No more than 1 dozen soft crabs or peelers
OWNER OF PRIVATE SHORELINE PROPERTY Creel limits vary depending on whether the crabber is licensed or not - see Individual Crabbing information above.
2 crab pots from a private propoerty or pier or within 100 yds of shore and attached by line Two cull rings required in upper chamber
One measuring at least 2 3/16"
One measuring at least 2 5/16"
Turtle Reduction Device no larger than 1¾" x 4¾"
CRABBING FROM A BOAT
A recreational crabbing boat may be licensed
The fee for a Recreational Crabbing Boat License is $15
The owner of the licensed recreational crabbing boat is also issued a complementary statewide Individual Recreational Crabbing License
The Chesapeake Bay Special Pleasure Boat Sport Fishing License (fee of $50) is valid as a Recreational Crabbing Boat License.
CRABBING GEAR If the boat is licensed for recreational crabbing by either the Recreational Crabbing Boat License (new at a $15 fee) or the Chesapeake Bay Special Pleasure Boat License or at least one person in the boat possesses an individual recreational crabbing license:
1200 feet of trotline (baited portion)
Maximum 30 crab traps or rings
Handlines
Dipnets http://www.dsd.state.md.us/comar/comarhtml/08/08.02.03.01.htmB. Recreational Gear—Definitions. (1) The gear defined in this section may be used to catch crabs for recreational purposes.
(2) "
Collapsible crab trap" means a manually operated, portable device:
(a) Having a flat bottom not more than 20 inches by 15 inches, and not more than four articulated sides; and
(b) Designed so that failure to apply manually exerted tension on the closing mechanism allows the crabs to escape.
(3) "
Crab net ring" means netting supported by a ring-shaped rim less than or equal to 30 inches in diameter.
(4) "
Crab pot" means a cube-shaped or rectangular shaped device with openings toward the inside for the entrance of crabs.
(5) "
Dip net" means a mesh bag of netting or wire which is suspended from a circular, oval, or a rectangular frame attached to a handle.
(6) "
Handline" means a fishing line managed primarily by hand.
(7) "
Trotline" means a length of rope or line, buoyed at both ends with one or more anchors, which is baited without hooks or snares at intervals for the purpose of catching crabs.
(

"Seine" means an encircling type of net which is not more than 50 feet long and 5 feet wide