Sunday, September 24: Sun, Sep 24: 10:00 AM- 5:00 PM
Long Island Aquarium Building

Things to Do

Area Restaurants

Hyatt Place Long Island Boat Bar

451 East Main Street (Behind Hyatt Place Long Island/East End)
Riverhead, NY 11901

Sipping margaritas by a sparkling pool on a sunny day next to the water…what could be better during the summer on Long Island? The Seaside Grill, located adjacent to the Hyatt Place Long Island/East End , is the coolest seasonal hot spot on Long Island’s East End. Named the Dan’s Papers Best Waterfront Restaurant, 2022. With views of the lush scenery of the Peconic River, along with the boats dotting the shore at Treasure Cove Resort Marina, patrons can enjoy dinner or drinks right on the water.

Seaside Grill features Happy Hour Specials, Live music every weekend and Trivia/Karaoke Nights on Thursdays.

Seasonal Hours

Memorial Day through Labor Day
Thursdays: 3pm-10pm
Friday: 3pm-12am
Saturday: 12pm-12am
Sunday: 12pm-9pm

Pool Bar: Daily 12pm-7pm (June 24-September 25)

Weather permitting, closed for inclement weather.

The Preston House & Hotel

428 East Main Street
Riverhead, NY 11901
Visit Website

The Preston House restaurant features a fine dining, yet approachable menu while sitting amongst cutting edge and historical décor and ambiance. We are farm seasonal, ingredient-driven, and our kitchen sources flavor, balance, and history. Innovative cocktails and an adventurous wine list complete our tasty options.

The Preston Hotel, a 20 room boutique hotel located directly behind the house, features studios, one bedrooms, and suites, making it a point to provide intimate and unparalleled service to each of our guests. Our spacious guest rooms feature modern furnishings, Carrera marble bathrooms and honed, concrete floors that add a touch of industrial design. We treat you to luxury accommodations and refinement in each hotel suite uniquely crafted to ensure that your every expectation is exceeded.

Preston Exterior
Dining Room
The Preston House Room

The Preston House Restaurant Hours:

Monday & Tuesday: Closed
Wednesday, Thursday & Friday: 5pm-9pm
Saturday: Brunch 11:30am-2:30pm; Dinner 5pm-10pm
Sunday: Brunch 11:30am-2:30pm; Dinner 5pm-8pm

Happy Hour: Wednesday – Friday 4:00pm-6:00pm

Brunch: Saturday & Sunday 11:30am-2:30pm

Cliff’s Rendezvous
Dark Horse Restaurant
Haiku Sushi
Jerry & the Mermaid
Star Confectionery
Turkuaz Grill
Tweeds Restaurant

Area Attractions


Long Island Canoe Kayak Rentals

631.727.8386 | Visit Website

Looking for fun on the forks? Spend a few hours – or an entire day – discovering the natural beauty of Long Island’s local waterways. Ideally located on the picturesque Peconic River, Long Island Canoe Kayak Rentals, part of Treasure Cove Resort Marina, features in-season canoe, kayak, stand up paddle board, Flyboard, electric tour board, electric bike, bicycle and fishing pole rentals. Seasonal guided tours are also offered.

Hours of Operation: 8:00am to 5:00pm (April through September and weather permitting in October).
Note: Must be 18 years of age with an adult accompanying all watercraft rentals.