Sophie C - U.S. Mail Boat

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Sophie C - U.S. Mail Boat

The Motor Vessel (M/V) Sophie C. on is the oldest floating post office in the United States. The M/V Sophie C. is the oldest floating post office in the US.

Each season she provides mail service on Lake Winnipesaukee, NH , a tradition dating back to 1892. Each season she provides mail service on Lake Winnipesaukee.

04/16/2025

Ice-Out on Lake Winnipesaukee has officially been declared, leading to the start of the cruising season for the historic M/S Mount Washington. Pilots at Emerson Aviation confirmed that no ice will prevent the Mount Washington from navigating to all five of its ports.

https://thetipsheet.typepad.com/the_tip_sheet/2025/04/ice-out-declared-on-lake-winnipesaukee-2025-cruise-season-starts-may-11.html

03/17/2024

02/06/2024

Ice-in is declared when ice forms on the widest and deepest part of the lake. Pilot David Emerson, of Emerson Aviation, monitors lake conditions from the air.

05/03/2023

The Next 150 Years: After a blockbuster 150th anniversary season, the M/S Mount Washington launches her 2023 season with new cruises and services

Over the years, the M/S Mount Washington has undergone several renovations and upgrades, but its classic charm and appeal have remained intact. Today, visitors can board the ship and enjoy a variety of cruises, including sightseeing tours, dinner cruises, and private charters. The ship also hosts sp...

02/07/2023

'Ice-in' declared on Lake Winnipesaukee after extreme cold in New Hampshire

Emerson Aviation says ice still not safe to venture out

Emerson Aviation says ice still not safe to venture out

01/25/2023

The McAuliffe-Shepard Discovery Center in Concord, NH, will host its monthly Super Stellar Friday series on Feb. 3, 6:30 pm, by welcoming Throwback Brewery for a lesson in Beer Science. Ever wondered why your beer tastes the way it does and how commercial breweries can turn out beer that tastes the same batch after batch? The answer is science! In this talk, Throwback Brewery Co-Founders Annette and Nicole will go over the process of how beer is made, describing the science along the way. From microbiology to chemistry to engineering and with a whole lot of math in between, you can’t make (or taste!) really great beer without the wonders of science. Join us and learn plenty of fun facts about one of the world’s most popular and oldest beverages! Following the presentation, presenters will answer audience questions in a Q & A session, leaving time to explore the museum.

Feb. 3, 6:30 McAuliffe-Shepard Discovery Center Super Stellar Friday

01/16/2023

The Inspiring Meaning of MLK Jr. Day Will Change the Way You Celebrate

Everything you should know about the holiday, plus five ways to celebrate it this year.

Learn about why we celebrate Martin Luther King Jr. Day.

01/15/2023

Sign up for the New Hampshire News Quiz and you might find yourself on the slopes this winter. Sign up for our news quiz alerts between January 16 - 27, and you’ll be entered to win a pair of lift tickets to Gunstock Mountain Resort and an NHPR swag bag. Winners will be drawn between January 28th and February 3rd.

Sign up for the New Hampshire News Quiz between January 16-27 and be entered to win a pair of lift tickets to Gunstock Mountain Resort and an NHPR swag bag.

12/12/2022

On Wednesday, December 21 at 7 p.m., the McAuliffe-Shepard Discovery Center and Cowasuck Band of the Abenaki-Pennacook People invite the public to celebrate the Winter Solstice with a premiere of the Discovery Center’s new planetarium show, The Great Spirit Bear Chase. Made possible by a grant from NH Humanities, with a script written by Cowasuck Band Chief Paul Pouliot, produced by Film Unbound and with technical support by SSIA Technologies, this 100% New Hampshire-made show tells stories of the night sky from the perspective and cultural traditions of the indigenous peoples whose ancestors first settled in the Granite State over 12,000 years ago.

11/16/2022

Gift cards can be used to purchase tickets to any cruise on the M/S Mount Washington, U.S. Mailboat Sophie C., or Winnipesaukee Spirit, or in the Mount Washington Cruises Gift Shop. Available in denominations of $25 up to $250. Gift Cards do not expire.

Once purchased, a link to download and print your gift card will be provided by email, and a physical card will be mailed to you. Either of these may be used to redeem the value stored on the card.

Gift cards can be made for any denomination by contacting our ticket office at (603) 366-5531.

Address

211 Lakeside Ave
Laconia, NH
03246

Telephone

+16033665531

Website

http://www.cruisenh.com/sophie.php

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Our Story

The M/V Sophie C. is the oldest floating post office in the US. Each season she provides mail service on Lake Winnipesaukee. Catch a glimpse of lake life that can't be seen from the M/S Mount Washington. The M/V Sophie C. navigates smaller channels and waterways to provide postal service to the island residents of Lake Winnipesaukee. On each of her two daily mail runs, she'll visit a number of different islands, and the Skipper will point out areas of interest along the way. In addition to postal service, Sophie also has a collection of ice cream treats for sale. A daily visit to the dock for a snack is a summer tradition for many of her island friends. Passengers aboard the Sophie C. are invited to fill out Sophie C. postcards and mail them right on board, complete with Sophie's own unique, collectible cancellation stamp!