Long Island Aquarium Hosts Fall and Winter Events with Special Twenty-Five USD Days

Published on September 9, 2025

Long Island Aquarium in Riverhead marks a quarter-century of wonder this fall and winter by rolling out a lineup of budget-friendly experiences. On September 25, October 25, and November 25, general admission is just twenty-five dollars, letting families and out-of-town guests discover every tank, touch pool, and interactive exhibit the way the founders intended: affordably. Beyond the one-day discount, the schedule is sprinkled with family-friendly, themed happenings that shine the spotlight on the aquarium’s beloved temporary and permanent attractions. It’s a winter warm-up invitation for anyone eager to make new memories in the underwater world that has delighted our region since 1998.

Exciting Family-Friendly Events at Long Island Aquarium

As the cooler months approach, Long Island Aquarium offers a fantastic lineup of seasonal events, creating memorable experiences for all ages. Some of the highlights include:

Haunted Tree House – A Spooky Adventure

Every Friday and Saturday in October, the aquarium transforms its space into a Haunted Tree House. This interactive experience takes visitors through five thrilling levels of Halloween fun. As guests climb 62 steps to reach the top, they’ll be greeted with spooky sights and sounds, sure to send shivers down their spines. After the climb, guests can enjoy pumpkin decorating, animal encounters, arts and crafts, and arcade games. For just USD 25 per person, families can experience this frightfully delightful event, with one parent receiving free entry with a paid child.

Bats, Barnacles & Broomsticks Halloween Party – October 18

On October 18, families can attend the Bats, Barnacles & Broomsticks Halloween Party from 10 AM to 4 PM. Visitors who come in costume will receive 50 percent off admission with a paying adult. The event includes a candy hunt, vendor booths with giveaways, and animal treat activities, making it a fun-filled day for children and adults alike. This special party is included with regular aquarium admission, offering a great opportunity for families to enjoy the festivities while engaging with the aquarium’s wonderful animals.

Special Seasonal Experiences

The Long Island Aquarium also invites guests to enjoy several seasonal events tailored for adults and families during the fall and winter months:

LI Bridal Expo Super Show – November 2

For couples planning their big day, the LI Bridal Expo Super Show on November 2, from 6:30 PM to 8:30 PM, offers an excellent opportunity to explore over 50 exhibitors showcasing wedding professionals, from photographers and florists to DJs and gown designers. The event features a fashion show, food tasting, live DJ showcase, and prizes, with tickets priced at USD 20 at the door or USD 10 for advance reservations.

Fish & Sips – Wine and Craft Beverage Tasting – November 7

For adults, the Fish & Sips event on November 7 offers a chance to sample the best local wines, craft beers, and spirits, all while exploring the aquarium after hours. From 7 PM to 10:30 PM, attendees can enjoy a vibrant evening with over 20 local wineries and craft beverage vendors, live music, and delicious bites. Tickets are USD 95 per person (ages 21 and up), making it a perfect event for those seeking a unique night out in Long Island.

Holiday-Themed Events to Celebrate the Season

As the holiday season approaches, Long Island Aquarium presents several festive experiences, including:

Princess Tea Party – November 16

Children and their families can indulge in a Princess Tea Party on November 16, where little ones can enjoy tea, finger sandwiches, and sweets while meeting their favourite princesses. Seatings are available at 10 AM and 12:30 PM, with tickets priced at USD 55 for adults (13+), USD 49 for children (3-12), and USD 10.35 for children under 2.

Santa Brunch – December 7

Celebrate the holiday season with the Santa Brunch on December 7, offering a traditional brunch in the Sea Star Ballroom and a photo opportunity with Santa. All-day aquarium admission is included with the brunch, allowing families to explore the exhibits before or after their meal. Prices for the brunch range from USD 78 for adults (13+) to USD 42 for children (3-12).

Fishes & Wishes New Year’s Eve Party – December 31

To ring in the New Year, the Fishes & Wishes New Year’s Eve Party on December 31 promises a family-friendly celebration from 6:30 PM to 11 PM. With a cocktail hour, DJ, buffet dinner, animal encounters, and a mock midnight toast, this event offers a great way to celebrate the New Year with loved ones. Tickets are USD 155 for adults (13+) and USD 94 for children (3-12).

Fall and Winter at Long Island Aquarium

Long Island Aquarium is bringing a lively roster of events to life this autumn and winter, crafting the perfect backdrop for families, festive gatherings, and unforgettable celebrations. From midweek 25 USD admission days to themed holiday extravaganzas, families can dive deep into interactive exhibits, seal shows, and holiday carolers. Optional upgrades and themed meal packages let guests personalize their day. With its mix of marine marvels, cheerful events, and wallet-friendly pricing, the aquarium is the ideal retreat for Island families and out-of-town visitors seeking a seasonal adventure.