📜 The U.S. Navy's last active duty diesel-electric submarine, now an interactive museum exhibit in Portland. 🔍 Explore a 219-foot vessel with period artifacts. # Why Go 🚢 Walk inside a real 219-foot submarine 👀 Peer through a periscope, touch a torpedo 👨‍🏫 Guided tours, including veteran-led tech tours by submarine veterans 📚 Learn about naval history and submarine life 👨‍👩‍👧‍👦 Family-friendly tours available for ages 3+ # Why Avoid ♿ Not wheelchair or stroller accessible 🚶 Requires bending, stooping, and navigating steep stairs 👶 Minimum age 3 for standard tours, 12 for tech tours 🚫 No carrying children allowed # 🅿️ Parking Paid parking available via app, front desk, or kiosks. Costs $5 for 2 hours, $8 all day, $2 flat fee after 5pm. # 💰 Cost Tickets required for tours. # 🕒 Hours Tuesday - Sunday, 10:10 am - 4:30 pm. Tours every 20 minutes. Advanced Tech Tours: 2nd and 4th Sunday monthly.