Nautilus Excursions
If you’re looking for a fun, family-friendly day on the water, Nautilus Excursions is the perfect choice for an unforgettable coastal adventure. With nearly 20 years of charter experience, Captain Ron Koyasako knows how to create a relaxed, safe, and enjoyable trip for guests of all ages, going the extra mile to make every outing memorable.
Step aboard a spacious 30 ft Island Hopper designed for comfort and stability, accommodating up to 10 guests plus 2 crew. The large open deck offers plenty of seating and room to move, making it ideal for families, small groups, celebrations, or casual cruising. A clean onboard restroom adds extra convenience for longer trips.
Powered by a reliable 480HP Cummins engine, this vessel delivers smooth and confident cruising. Safety is a top priority, with a life raft and full safety equipment onboard for peace of mind.
Guests are welcome to bring their own food and drinks in a small cooler, making it easy to customize your experience and enjoy your favorite snacks while out on the water. The captain and first mate are friendly, professional, and especially welcoming to children.
Whether you want a laid-back cruise, quality family time, or a fun day exploring the water, Nautilus Excursions delivers the perfect setting.
Book today and secure your spot for a truly enjoyable boating experience with Captain Ron.
If you’re looking for a fun, family-friendly day on the water, Nautilus Excursions is the perfect choice for an unforgettable coastal adventure. With nearly 20 years of charter experience, Captain Ron Koyasako knows how to create a relaxed, safe, and enjoyable trip for guests of all ages, going the extra mile to make every outing memorable.
Step aboard a spacious 30 ft Island Hopper designed for comfort and stability, accommodating up to 10 guests plus 2 crew. The large open deck offers plenty of seating and room to move, making it ideal for families, small groups, celebrations, or casual cruising. A clean onboard restroom adds extra convenience for longer trips.
Powered by a reliable 480HP Cummins engine, this vessel delivers smooth and confident cruising. Safety is a top priority, with a life raft and full safety equipment onboard for peace of mind.
Guests are welcome to bring their own food and drinks in a small cooler, making it easy to customize your experience and enjoy your favorite snacks while out on the water. The captain and first mate are friendly, professional, and especially welcoming to children.
Whether you want a laid-back cruise, quality family time, or a fun day exploring the water, Nautilus Excursions delivers the perfect setting.
Book today and secure your spot for a truly enjoyable boating experience with Captain Ron.

San Francisco, California, United States
Ron Koyasako is the captain of a 30 ft Island Hopper based in San Francisco, offering memorable and comfortable boat tours along the Bay. With a focus on great service and a relaxed on-the-water experience, he ensures every trip is enjoyable from start to finish. Whether you're sightseeing or simply enjoying the open water, Captain Ron delivers a smooth and unforgettable adventure.
A refundable deposit is not required by the charter operator.
Fuel is included in the price of the rental.
You can cancel or modify your booking up to 7 days before the trip date, free of charge. If you cancel or modify your booking later, or fail to show up, you'll forfeit 100% of what you've paid.
When the captain confirms your trip, BoatBooker charges your credit card a 10% booking deposit to guarantee your reservation.
The remaining balance is to be paid directly to the charter operator on or prior to your trip date in one of the following payment methods:
Cash
Visa
Mastercard
When paying the remaining balance with a credit card, an additional 3% charge will apply.
