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Only 1 left in stock

6’6″ Lost Mayhem “Speed Demon 4” (Used)


Dims – 6’6″ x 20″ x 2.63″

Fin System – FCS (Quad)

Sweet used epoxy Lost shortboard just in! Light and buoyant, this thing will float well but still shred!! Nice shortboard for winter.


All surfboards ship for $150 to mainland US!

Only 1 left in stock

At Bay Street Boards, we offer shipping options for your convenience. Please see below for details:

Local Pickup

We offer free local pickup at our Santa Monica location. Simply select the “Local Pickup” option during checkout, and we’ll have your order ready to go! Please bring ID!

Continental US Shipping

For surfboards up to 8′ in length, we offer a flat rate shipping fee of $150!

For surfboards 8′ or greater in length, please contact us at the details below.

Non-Continental US & International Shipping

For shipping outside the continental US, including Hawaii, Puerto Rico, Alaska and international addresses please contact us at 310-310-2485 or email for accurate rates.

Prices vary for international shipping. For more detailed shipping information, please click here.

Terms and Conditions

All surfboard sales are final. No refunds or returns will be accepted for any surfboard. For more information, please see our Terms & Conditions and Refunds & Return Policy.

Surfboard Condition


Surfboard Type


Surfboard Size Range

6’0″ | 6’11”