1. Portsmouth Harbor Cruises
64 Ceres St, Portsmouth, NH 03801
Coordinate: 43.07917,-70.75801
Phone: (603) 294-1985
2. Isles of Shoals Steamship Company
315 Market St, Portsmouth, NH 03801
Coordinate: 43.08069,-70.76066
Phone: (603) 431-5500
3. Heritage Tours Of The Seacoast
Portsmouth, NH 03801
Phone: (603) 303-5617
4. Seacoast New Hampshire Heritage Tours
Portsmouth, NH 03801
Phone: (888) 783-5302
5. Winged Victory USA
134 Pleasant St, Portsmouth, NH 03801
Coordinate: 43.07474,-70.75671
Phone: (603) 319-0700
6. The Underbelly Tour
49 Pleasant St, Portsmouth, NH 03801
Coordinate: 43.07618,-70.7569
Phone: (978) 683-7745
7. Gundalow Company
60 Marcy St, Portsmouth, NH 03801
Coordinate: 43.07682,-70.75277
Phone: (603) 433-9505
8. New England Curiosities
19 Sheafe St, Portsmouth, NH 03801
Coordinate: 43.07713,-70.75572
Phone: (603) 343-7977
9. Visit Canada
134 Pleasant St Ste 4, Portsmouth, NH 03801
Coordinate: 43.07474,-70.75671
Phone: (603) 319-0800
10. S L T
2456 Lafayette Rd, Portsmouth, NH 03801
Coordinate: 43.03354,-70.7846
Phone: (603) 319-6153
11. Black Heritage Trail of NH
Coordinate: icon:https://i1.ypcdn.com/ypu/images/icons/map-pin.png|43.075226,-70.75697
Phone: Phone: (603) 570-8469