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Proms & Graduation Parties

With our fleet of vessels and our event space out on Blake Island*, Argosy has the perfect size party space for you and your student group.

NEW! Graduation Package: Your 2020 grad deserves an outing they’ll never forget. Celebrate their accomplishments with a 1.5-hour private cruise on the lakes or the bay. More details here (PDF size 351 KB).

Our Sales Team works with you to craft the perfect event for your students: catering, beverage packages, and entertainment options like DJs or casino nights keep the kids happy while the safety and security of our exclusive “floating party spaces” keeps parents and chaperones at ease.

Kids grow up so fast! Throw them a party with Argosy for memories that will last.

*Tillicum facility under lease, operated in conjunction with the Washington State Parks and Recreation Commission.


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Celebrate Safely

Honor and delight your Class of 2020 grads with an outing on Elliott Bay, South Lake Union or Lake Washington, complete with snacks, non-alc beverages and one-of-a-kind views

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Charter Menu Options

Planning your menu for your private group event is a snap: our Sales Team is ready with plenty of options from our three preferred caterers who work with us on a regular basis. You can also choose to bring on your own!

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Kids get thirsty! And Argosy has beverage packages for your group that will quench that thirst: from simple fountain soda options to premium bottled sodas to fancy and fun options made by our servers. Our Sales Team will help you concoct the perfect drink list.

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