In 2015, LEGO released 7 Pirates sets in the subtheme Classic, all of these sets have been retired. For that year, the total price of all retail sets cost $248, today those sets are valued around $879, a growth of 254%.
Most valuable 2015 LEGO Pirates set
70413 The Brick Bounty $342.79
Highest growth 2015 Pirates set
70412 Soldiers Fort +421.17%
Largest 2015 LEGO Pirates set
40158 Pirates Chess Set 857 pieces
7 sets

40158 Pirates Chess Set

Theme Pirates
Year 2015
Pieces / Minifigs 857 / 20
Availability Retired
40158 LEGO Pirates Chess Set
Retail $59.99
Value $129.19
Growth  +115.4%
Annual growth 5.4%

70409 Shipwreck Defence

Theme Pirates
Year 2015
Pieces / Minifigs 84 / 2
Availability Retired
70409 LEGO Pirates Shipwreck Defence
Retail $12.99
Value $50.00
Growth  +284.9%
Annual growth 6.0%

70410 Soldiers Outpost

Theme Pirates
Year 2015
Pieces / Minifigs 164 / 3
Availability Retired
70410 LEGO Pirates Soldiers Outpost
Retail $19.99
Value $86.22
Growth  +331.3%
Annual growth 14.9%

70411 Treasure Island

Theme Pirates
Year 2015
Pieces / Minifigs 181 / 3
Availability Retired
70411 LEGO Pirates Treasure Island
Retail $19.99
Value $94.40
Growth  +372.2%
Annual growth 7.6%

70412 Soldiers Fort

Theme Pirates
Year 2015
Pieces / Minifigs 234 / 5
Availability Retired
70412 LEGO Pirates Soldiers Fort
Retail $29.99
Value $156.30
Growth  +421.2%
Annual growth 16.9%

70413 The Brick Bounty

Theme Pirates
Year 2015
Pieces / Minifigs 745 / 7
Availability Retired
70413 LEGO Pirates The Brick Bounty
Retail $99.99
Value $342.79
Growth  +242.8%
Annual growth 7.0%

5003082 Classic Pirate Minifigure

Theme / Subtheme Pirates / Classic
Year 2015
Pieces / Minifigs 24 / 1
Availability Retired
5003082 LEGO Classic Pirate Minifigure
Retail $4.99
Value $19.99
Growth  +300.6%
Annual growth 13.7%