Seattle

Here's an ideal itinerary for 3 days in Seattle, taking into account your constraints:

Day 1:

• Start your day with a ferry ride to Bainbridge Island. The ferry ride itself is a beautiful experience, and once you reach the island, you can explore the charming town of Winslow. You can visit the Bainbridge Island Museum of Art, stroll through the Bloedel Reserve, or simply enjoy the stunning views of the Puget Sound.
• After returning from Bainbridge Island, head to Pike Place Market, one of Seattle's most iconic attractions. You can grab lunch at one of the many food stalls, watch the fishmongers throw fish, and browse the various shops and vendors.
• In the afternoon, take a tour of the Space Needle, which offers breathtaking views of the city and the surrounding mountains. You can also visit the Chihuly Garden and Glass exhibit, which showcases the stunning glass art of Dale Chihuly.

Day 2:

• Start your day with another ferry ride, this time to the San Juan Islands. The islands are known for their natural beauty and wildlife, and you can go whale watching, kayaking, or hiking. You can also visit the historic town of Friday Harbor and explore its shops and restaurants.
• After returning from the San Juan Islands, head to the Fremont neighborhood, which is known for its quirky and eclectic vibe. You can visit the Fremont Troll, a giant sculpture under a bridge, or check out the various street art and murals in the area. You can also grab dinner at one of the many restaurants in the neighborhood.

Day 3:

• Start your day with a visit to the Museum of Pop Culture, which celebrates the history and culture of popular music, science fiction, and pop culture. You can see exhibits on everything from Jimi Hendrix to Star Trek.
• After the museum, head to the Ballard neighborhood, which is known for its Scandinavian heritage and maritime history. You can visit the Hiram M. Chittenden Locks, which allow boats to pass between the Puget Sound and Lake Union, or explore the various shops and restaurants in the area.
• In the evening, head to the Capitol Hill neighborhood, which is known for its nightlife and entertainment. You can catch a show at one of the many theaters or music venues, or simply enjoy a drink at one of the bars or clubs.

I hope this itinerary gives you a good idea of what to do during your 3 days in Seattle! Let me know if you have any questions or need any further assistance.