Welcome to the Green Alliance, your local resource for huge savings at sustainable businesses throughout New Hampshire, Massachusetts, and Maine!


You could be saving hundreds – even thousands – of dollars on everyday green goods and services with the Green Card. A membership to the Green Alliance is your chance to get great values on products and services that align with YOUR values. 

Like what we do? Help us to substantially increase our impact by becoming a Green Alliance Sustaining Memberor a Green Alliance Benefactor! Your support is crucial to our success; together, we can create the communities we want for ourselves and our children!


Meet a Green Alliance Business: Isle of Shoals Steamship Company

Isles of Shoals Steamship Company

Originally publsihed in the Portsmouth Herald.

With its iconic white 340 passenger vessel M/V Thomas Laighton leading the way, the Isles of Shoals Steamship Company has taken passengers down the Piscataqua River and out to the Isles of Shoals for decades. Each summer, the company offers seasonal daily tours of the Seacoast, and its isles, as well as evening events featuring live music, drinks and food.
Founded by Arnold Whitaker in 1962 as Viking Cruises, today…

Upcoming Event: Green Alliance and NHPTV Summer Kick Off Party Cruise

Upcoming Event
Jun 13, 7:00 p.m. - 10:00 p.m., Isles of Shoals Steamship Company, 315 Market St., Portsmouth

Join the Green Alliance and New Hampshire Public Television aboard the Isles of Shoals Steamship Company vessel, the Thomas Leighton, for a night of fun on the Piscataqua. With live music, food, and drinks, the annual Isles of Shoals Steamship party cruise is a summer event you will not want to miss! Humble Be, a local Seacoast band, will provide the music for the night, complimentary hors d'oeuvres will be served, and a cash bar will be open serving drinks throughout the cruise.

Admission is free for Green Alliance members, but new members are encouraged to join the GA to attend. If you are not yet a member, but are interested in attending the party cruise, become a member today and you will recieve a ticket to the party in the process. Click here to join now for the discounted price of $25 and then RSVP to katelyn@greenalliance.biz to reserve your spot. You can also join for $35 at the dock on the night of the cruise, but we suggest new members join and RSVP in advance as the cruise sold out last year. 

What makes our local business partners green?


When a business partners with the Green Alliance, they undergo a rigorous sustainability evaluation. With this toolkit, you can be sure that you are making an authentic sustainable choice.