Port Everglades in Fort Lauderdale said it was awarded a $1.85 million allocation to lengthen Slip 2 by 250 feet to accommodate larger cruise ships.
The award from the Florida Seaport Transportation and Economic Development Council becomes part of a budget that goes before the Florida legislature next spring.
The slip will be extended west and will be 1,150 feet long and 42 feet deep when completed in September 2016.
The engineering firm Bermello Ajamil & Partner was awarded the planning and design contract.
The work coincides with a $13.4 million renovation of Terminal 4 set to be finished by the fall cruise season in 2014.
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Correction: A previous version of this report erroneously said that the slip to be lengthened is used by Carnival Corp.