• Back a Sail
• Bailer
• Ballast
• Batten Down
• Beam
• Bearing
• Bearing Away
• Below
• Bight
• Bilge
• Bilge Pump
• Bimini
• Bitter End
• Boat Hook
• Boom
• Bow
• Bowline
• Bower
• Bridge
• Bridle
• Bulkhead
• Buoy
• Burdened Vessel