13241--Nantucket Island Detailed coverage of Nantucket Island Harbor OceanGrafix provides mariners with the most up-to-date, NOAA-approved nautical charts ever offered Charts are printed only after an order has been received, ensuring the most up-to-date information Meets U. S. and international carriage requirements for commercial vessels, all notice to mariners corrections are applied. U. S. Coast Guard approved, Size (Inches):41.85 X 34.92. Scale 1: 40,000