About This Tour
This popular tour blends sightseeing, stories, and riding. You and your guide will pedal along the Piscataqua River and the Atlantic Ocean for about 8-12 miles, and approximately 2.5 hours, exploring the coastline, islands, harbor, and historic sites in both Portsmouth and New Castle Island. Your guide will lead you through Pierce and Four Tree Islands and along the historic South End, riding by working docks, boats, yachts, and quiet waterfronts. You will ride over bridges and causeways, stopping at sites so your guide can share intriguing tales of the harbor, the islands, and the maritime history that has shaped this region. This five-star tour offers a comprehensive overview of the area, allowing you delve deeper into its hidden gems that many visitors overlook. Tour Highlights: Pedal along the Piscataqua River out to New Castle Island. Visit New Castle Island Village's downtown Visit the Great Island Common Four Tree and Pierce Islands Visit Prescott Park
Photo Gallery

Four Tree Island

Four Tree Island

African Burying Memorial

New Castle Common

Fort Constitution

Four Tree Island
TopTours Insights
Islands and Harbor Bike Tour: Explore Islands + Must-See Sites
This 2.3-hour tour offers a relaxed exploration of islands and harbor landmarks. You'll experience the sights from a boat, with key moments likely focusing on picturesque views and points of interest. It's well-suited for travelers seeking a calm, scenic overview of the area without a party atmosphere.
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What's Included
What's Not Included
Additional Information
Meeting Point
Meet at the John Paul Jones House Historic House Garden
Cancellation Policy
For a full refund, cancel at least 24 hours before the scheduled departure time.
✓ Free cancellation due to bad weather
Tour Operator
PortCity Bike Tours
Official supplier for this experience. Bookings are handled directly through Viator with verified partners.
Viator Certified
Trusted local operator
Guest Ratings
Total review count and overall rating based on Viator and Tripadvisor reviews
Based on 133 verified reviews
Average rating
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Frequently Asked Questions
Common questions about Islands and Harbor Bike Tour: Explore Islands + Must-See Sites
Who operates this experience?
This experience is operated by PortCity Bike Tours, a local cultural provider.
What's included?
This tour includes Bicycle and Helmet and Expert Guide. All inclusions are provided by the tour operator.
How long is this tour?
The experience lasts approximately 2.3 hours, giving you time to fully enjoy your chosen activity.
Can I cancel this tour?
Yes, you can cancel up to 24 hours before the scheduled departure time for a full refund. If weather conditions are unsafe, the tour may be canceled by the operator. In such cases, you'll be offered a refund or reschedule.
What should I bring?
We recommend bringing comfortable walking shoes, a camera, and weather-appropriate clothing. All necessary equipment is provided.
Will I receive instant confirmation?
Yes, you'll receive instant confirmation when you book.
Is this tour worth it?
Yes, this experience has a 5.0-star rating based on 133+ reviews, making it a highly rated option.
What to expect on this tour?
This cultural experience lasts approximately 2.3 hours and includes all necessary equipment and guidance. You'll have access to Bicycle and Helmet and more.
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Book Islands and Harbor Bike Tour: Explore Islands + Must-See Sites
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