According to Legoshop.com, the RRPs for Pirates items are:

Brickbeard's Bounty - $139.99
Soldier's Fort - $79.99
Shipwreck Hideout - $59.99
Cannon Battle - $9.99
Kraken Attackin' - $14.99
Loot Island - $29.99
Impulse packs - $4.99