Atlantis Banquets & Events
Hyatt Place Long Island / East End
Treasure Cove Resort Marina
Long Island Canoe Kayak Rentals
Riverhead Foundation for Marine Research & Preservation

Aquatic Birthday Parties

Want to make a splash with your child’s next birthday party? 
Have it at the Aquarium! Parties include full-day Aquarium Admission, a guided Aquarium tour, party invitations, aquatic-themed party ware, a party host, and much more!
To book a party call: 631.208.9200, ext. 125.


  • Celebrate with Cake! Friendly’s™ ice cream cake and unlimited soft drinks. $19.95/person plus tax
  • Poseidon’s Pizza Party Pizza, french fries, Friendly’s™ ice cream cake, and unlimited soft drinks. $22.95/person plus tax
  • Seahorse Sensation 
Pizza or assorted wraps, salad or fruit, Friendly’s ice cream cake, and unlimited soft drinks. $22.95/person plus tax
  • Birthday Bash Buffet Choice of 3 chafing dishes, salad, french fries, Friendly’s™ ice cream cake, and unlimited soft drinks. $29.95/person plus tax
  • Starfish Celebrations Salad, grilled chicken, platter of wraps, steamed vegetables, Friendly’s ice cream cake, and unlimited soft drinks. $29.95/person plus tax

The above two-hour parties to be held in reserved party room; 
(25 person minimum; adult & children combined.)

Short & Sweet This one-hour party is held in our café, and includes a Friendly’s™ ice cream cake and unlimited soft drinks. 15 person minimum. Does not include guided tour. $22.95/person plus tax


Birthday parties can be customized with a variety of add-ons, including:

Food Upgrades

  • Salads
 (Choice of one)
 Classic Caesar • Seasonal Garden
 $29.95 (Feeds 20 to 25 people)
  • Cold Platters
 (Choice of one) 
 Fresh Fruit • Cheese & Crackers • Fresh Vegetables & Dip
 Large Platter: $44.95 (Feeds up to 20 people) • Small Platter: $24.95 (Feeds up to 10 people)
  • Assorted Wraps: $50.00 (Feeds up to 20 people)
  • Chafing Dishes
 (Choice of three)
 Chicken Fingers • Penne Ala Vodka • Baked Ziti • Chicken Francaise • Chicken Parmigiana • Beef and Broccoli with Rice • Eggplant Rollatini • Steamed Mixed Vegetables
  • Desserts
 Ice Cream Sundae Bar: $4.00/ person • Belgian Chocolate Fountain: $350 Rental Fee plus $2.00 / person
  • Beverages
 Coffee (Unlimited): $1.75 / person
 Espresso/Cappuccino Bar: $2.75 / person
 Bottled Water: $2.00 / bottle

Party Upgrades

  • Favors
 (Choice of Backpack & Souvenir Cup, Lunchbox & Candy; Clownfish Cup & Bath Toy, or Coloring Book & Crayons)
$4.00 each plus tax ($2.95 for Coloring Book & Crayons)
  • Centerpieces
 (One fish bowl on each table filled with bags of Goldfish snacks and Swedish Fish candy)
$10.00 / bowl
  • Mascot Group Photo
 (8×10 photo with one of our mascots – shark, Jimbo Jaws, or octopus, Octavius)
$15.00 plus tax
  • Sea Lion Kiss Photo
 (A unique encounter you’ll never forget – a kiss from one of our sea lions, Java!)
$19.00 plus tax / 8×10 • $16.00 plus tax / 5×7 • $5.00 plus tax / E-mail or Reprint
  • Family Fun Center Game Room Cards
 Free for birthday boy/girl; all others at half price (tax included)
  • Fish Food! 
 Hand feed our stingrays and bamboo sharks! $3.00 (tax included)
  • Shark Dive! 
 Go nose-to-nose with the ocean’s top predators inside our largest exhibit! No diving certification necessary, must be 12 or older with a parent / guardian accompanying those 12-17.
$165.00 • $160.00 (Aquarium Members)
  • Atlantis Explorer Tour Boat (May through October)
$14.00 / Children & Seniors • $15.00 / Adults
  • Snorkel Adventure (July through September)
10:00am party with a maximum of 30 guests. Additional $350.00 rental fee applies.
  • Dig it!
 Get your hands wet sifting through sand for gems and fossils; located in
Unearthing Atlantis exhibit.
Free for birthday guest; $5.00 / small bag; $7.00 / medium bag; $9.00 / large bag
  • Behind-the-Scenes Tour
  • Cotton Candy Machine Rental
 $150.00 plus tax
  • Popcorn Machine Rental
 $100.00 plus tax
  • Sand Art/Color-a-Button Crafts 
(prices range from $1.00 to $6.00)

For additional details, please call 631.208.9200, ext. 125.

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