Although technically outside New York, Dutch Springs is one of the closest areas for New Yorkers seeking a good diving location. It features a 50-acre lake with submerged attractions, perfect for both beginners and skilled divers. The summer months offer optimal water clarity and a more colorful marine life experience.

This iconic New York location offers charter boats that take divers to offshore wreck diving sites, allowing you to explore submerged history like old shipwrecks. It's ideal for adventurers seeking unique dives without traveling too far from the city. The area provides a different panoramic underwater cityscape.

While better known for its beaches, the waters here offer some snorkel-friendly spots. This area has a variety of marine life, including the occasional fluke or small school of fish. It's a great spot for beginners looking for a casual snorkeling experience.

Beyond Niagara Falls, the region includes several inland lakes which can provide fresh-water diving experiences. With pockets of local fish populations and unique geological formations, diving here is a serene escape from urban clutter. Most notable during summer when the water warmth peaks.

Offering clear blue waters, this location has several submerged sites, including historical shipwrecks accessible through dive charters. It's an opportunity to dive in colder climates and explore less crowded waters. The surrounding mountainous scenery enhances the experience.

Known for its fishing and beach, Montauk also provides nearby dive sites with ample marine life, sea bass, and even lobster sightings. Dive charters operate in this area, providing a more controlled, guided experience for newcomers. It's one of the more secluded beach locations.

With a more laid-back vibe, Fire Island offers snorkeling in shallow, clear waters. The area's rich marine ecosystem includes oyster reefs and numerous fish making it an ideal location for leisurely exploration. Perfect spot for vacationers balancing relaxation and adventure.

Known as a quiet beach, Crescent Beach provides a less mainstream snorkeling experience right within New York City. It's an option for families looking for a low-stress introduction to snorkeling. The nearby facilities make it convenient for day trips.

Diving off City Island introduces urban divers to underwater sections of the East River and Long Island Sound. The aquatic life here is surprisingly varied and often missed by the everyday New Yorker. Perfect for those who don’t want to travel far.

Known for its bustling beach-goers, Rockaway Beach also provides snorkeling opportunities during quieter times. The early mornings are perfect for exploring small surf breaks and underwater scenery. Ideal for locals who enjoy morning adventures.

A freshwater alternative for divers, the lake's history and tranquility set an attractive scene. It’s a chance to diverge from saltwater diving and understands more about freshwater ecosystems. The natural beauty adds to a nature-focused adventure.

While needing some travel planning, boat excursions can bring New Yorkers over the state line to this often overlooked spot. Offers calm waters and a less-explored dive destination for curious wanderers. Suitable for groups looking for unique excursions.

Offers an inland option in the form of a freshwater lake, allowing practice trips for divers with evolving skills. While small-scaled, it provides safe, controlled environments for refining diving techniques. Well-suited for local divers itching to practice.

Cross into Orange County for a serene lake diving experience sheltered by the surrounding hilly terrain. Greenwood Lake offers calm, pleasant waters and is perfect for divers seeking peace away from city clamor. A beautiful escape for reflection and diving.

Further along the Long Island Sound, this area offers spectacular wreck diving experiences. Divers can explore sites with varied marine activity in its comparably warmer waters. A diver's delight, offering a unique touch to wreck exploration.

Adventurers can attempt dives into the sometimes challenging current near the entrance of New York Harbor. Besides testing diving skills, it also rewards with glimpses of native marine life and occasional ship ordnance. Ideal for those level-up challenges.

When waves allow, snorkeling here becomes a playful pastime amongst surfers and swimmers. It introduces exploration opportunities right from the sandy shores and is often crowded, making it a very social snorkeling endeavor. Visitors get to enjoy both sea and sand.

Close proximity with gentle waves makes it another viable snorkeling location for numerous city-dwellers. Despite being a busier beach, early visitors can experience some solitude before crowds build. Offers a classic New York summer scene.

For those journeying to Fire Island, Saltaire’s surrounding waters welcome calm exploration. Its smaller crowds create an environment conducive to relaxed exploration. Great for snorkeling with friends or solo visitors seeking tranquil enjoyment.

Barely a secret spot, it's often bypassed but offers an exploration opportunity when conditions permit. Combining New York's urban view with hidden aquatic life, it’s a city diver's charming experiment. More for the adventure than classic snorkeling.