IMB

- Type: Sail Beachboat
- Designer: Jim Michalak
- Foil: Leeboard
- Hull: Multichine pram
- Cabin: BW
- Length: 13'6"
- Beam: 5'6"
- Weight
- Empty: 350 lbs.
- Ballast: No
- Sails:
- Main: Lug 104-114 sq.ft.
- Construction: Taped seam
- Materials:
- Plywood - 1/4" thick, - 8 sheets - Plywood - 1/2" thick, - 2 sheets - Plexiglass - 3/16" thick, - 1 sheets 
- Related boats:
- Birdwatcher
- Caroline
- Jewelbox
- Jewelbox Jr.
- Petesboat
- Philsboat
- Scram Pram
- Trilobyte
- Links:
- IMB plans at Duckworks
