References
- New England Maritime – https://www.nemaritime.com/master25_50_100.html
- Personalized training by a captain – https://www.onthewatertraining.com/services.html
- Boatwise trainings – https://boatwise.com/upcoming-classes
- By the Sea resources site https://www.by-the-sea.com/boating-schools.html
- https://www.gloucesterboatrental.com/boating-lessons-1
- http://mass.harbormasters.org/resources.shtml