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1. Burgerology – Multiple Locations

Dive into these handspun milkshakes from the outside in. At Burgerology, a frosted mug is slathered in icing, rolled in assorted toppings, then filled with a luscious milkshake. Take the Campfire for instance—it's basically a s'more in a glass! Vanilla ice cream, graham crackers, chocolate syrup, roasted marshmallows, and whipped cream are served up in a glass coated with graham cracker crumbs.

2. Diner by the Sea – Long Beach

These trippy milkshakes come in tie-dye versions and are heaping with whipped cream and other far-out edible accouterments. Get a stack of tie-dye flapjacks to match. Stroll Long Beach's boardwalk to burn off those calories after!

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International Delight Cafe offers a sundae that seemingly includes everything but the kitchen sink.

3. International Delight Cafe – Bellmore

While this massive dessert isn’t actually on the menu at this Bellmore restaurant, trust me: Servers will know just what you’re talking about. Aptly named "The World," this ice cream sundae is made with about 2 gallons of gelato. It's a seemingly never-ending bowl of scoops, waffles, cones, and whipped cream. Your choice of toppings is unlimited, too. You'll need your whole squad to take this deep dish down.

4. Slshology – Garden City

Located on the main level of Roosevelt Field Mall between Skechers and Macy's, Slshology is as fun to say as it is to eat! Serving frozen slushies and Italian ices in your choice of three unique cups, these cool treats can be topped with a variety of candy and fruit options. These desserts are Kosher, to boot!

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Manny's Sweet Treats are topped with everything from candy to cereal and more.

5. Manny's Sweet Treats – Mineola and Rockville Centre

Manny's offers Euro-inspired treats, including milkshakes, gelatos, s'mores crepes, and funfetti waffles. Bursting with toppings such as rock candy and Nerds, its milkshakes are an entire meal. Its latest spin-off, Manny's Sweet Treats Petit, offers a slate of confectionary concoctions, including specialty lattes, ice cream sandwiches, and the bathtub sundae; all in addition to an impressive waffle and crepe menu.

6. Sweet Mama's – Northport and Stony Brook

Patrons can expect homestyle American cooking at these local diners, where breakfast is served all day in a restaurant that harkens back in time with its retro '50s-era look. Sweet Mama's serves a variety of custom-created ice cream flavors and wow-factor shakes, and it is always adding more pizzazz to its menu. Add a slice of homemade pie on the side!

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Enjoy cereal-inspired ice cream desserts at Spoons in Seaford.

7. Spoons – Seaford

Picture this: cannoli-flavored ice cream topped with Cinnamon Toast Crunch cereal or Nutella ice cream with Reese's Puffs cereal. Spoons is a walk-up window, soft-serve spot that combines ice cream flavors with your choice of 28 breakfast cereal toppings. The result is a host of creamy and crunchy concoctions sure to please.

8. Dang! BBQ – Multiple Locations

The milkshake menu here includes classics such as chocolate, vanilla, and strawberry. But if you're looking for over-the-top, check out "The King." It comes with a candied bacon swizzle stick. Its Funfetti is a frothy concoction topped with rainbow marshmallows, a piece of birthday cake, a rainbow cookie, and a swirly lollipop. Moms and dads listen up: Dang! BBQ also features an "adults-only" dessert menu with Hard Root Beer and Orange Creamsicle Floats.

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Indulge in specialty doughnuts at NoFoDoCo.

9. NoFoDoCo – Mattituck and Bay Shore

North Fork Doughnut Company serves craft donuts in classic and over-the-top flavors. New, limited-edition flavors are released monthly and include fun options such as superhero themes, fluffer nutters, fuzzy berry, magic bars, and more! These shops are open daily but close when they're sold out, so go early!

10. Shuga Pie Shop – Babylon

Walk up to this takeout window and marvel at the pillowy Shuga Pies on display. Each lofty pie is sandwiched with a decadent cream filling. Similar to a whoopie pie, Shuga Pies notch up the novelty with specialty flavors such as rainbow cookie, crumb cake, and toasted coconut.

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Enjoy this delectable crepe at Sweet 'n' Savory in Port Jefferson.

11. Sweet 'n' Savory – Port Jefferson

This crepe and rice pudding bar offers more than 40 sweet and savory selections filled with fresh combinations for breakfast, lunch, dinner, and, of course, dessert. It also has a selection of waffles and 14 changing flavors of homemade rice pudding. Overflowing with gooey goodness, this seaside spot is sure to stick to your ribs.

Photos courtesy of the shops