📜 The M/V Sophie C. is one of two remaining USPS mailboats in service, delivering mail to residents on Lake Winnipesaukee. It has been operating since 1892, with the current vessel launched in 1945. # Why Go 🚢 Experience a unique living piece of history and mail delivery. 🏞️ Enjoy a scenic cruise on Lake Winnipesaukee. ✉️ Purchase collectible cancellation stamps on board. 🍦 Snacks and ice cream are available. # Why Avoid 🗓️ Operates seasonally (June to September). # Cost 💰 Adults $48, Children (4-12) $28, Babies (under 4) FREE. # Hours 🕒 Operates Monday to Saturday, from June 15 through the second Saturday in September. Departs twice daily at 11 a.m. and 2 p.m. from Weirs Beach.