Poll Results

Total votes: 2905

Archimedes' Principle: 776 (26.7%)
Arrr!: 654 (22.5%)
Banana Daiquiri: 416 (14.3%)
Scurvy Barnacle: 363 (12.5%)
Red Jewel of Tortuga: 179 (6.2%)
Shanghai Surprise: 148 (5.1%)
Sea Kennel: 107 (3.7%)
Black Shark: 86 (3.0%)
Who is this Blackbeard anyway?: 85 (2.9%)
Long Tom's Tavern: 57 (2.0%)
Jolly Roger: 34 (1.2%)

I really screwed up here in leaving off an option. Enough people wrote in to suggest it that I feel compelled to hereby christen the pirate ship:

Allosaurus.