Howe Caverns

One of the most visited natural attractions in New York with guided tours through a massive cave system 156 feet underground. The 80-minute walking tour includes a boat ride on an underground lake that kids think is magical. Limestone formations, narrow passages, and the sheer scale of the caverns are genuinely impressive. The temperature underground is a constant 52 degrees making it a great rainy-day or hot-day activity. An above-ground adventure park with ropes courses and zip lines adds outdoor fun.

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Hulopo'e Beach Park

A stunning crescent-shaped beach on Lanai south shore that is widely considered one of the best beaches in Hawaii. The marine preserve protects the excellent reef and snorkeling is outstanding with spinner dolphins frequently visiting the bay. Tide pools on the left side of the beach are full of sea life that fascinates kids for hours. The beach has lifeguards, restrooms, and shaded picnic areas. In winter, humpback whales are visible from shore. Getting to Lanai requires a ferry from Maui or a flight, which adds to the adventure.

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Indian Lake Islands Campground

Paddle to your own island campsite on Indian Lake for a family camping adventure that feels like true wilderness. The DEC maintains 55 island and shoreline campsites accessible only by boat. Kids love the excitement of paddling to their campsite and having an island all to themselves. Indian Lake is large and scenic with mountain views from the water. The campsites have fire rings and pit toilets. The town of Indian Lake is nearby for supplies. This is a more accessible alternative to the Saranac Lake Islands with similar magic.

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Ka'anapali Beach

A gorgeous 3-mile stretch of golden sand on Maui west side that is consistently rated among the best beaches in the world. The water is calm and clear making it excellent for swimming and snorkeling. Black Rock at the north end is one of the best shore snorkeling spots on Maui with sea turtles and tropical fish. Every evening at sunset a cliff diving ceremony from Black Rock draws a crowd. The beachfront walk connects hotels, restaurants, and shops. Snorkel gear can be rented at multiple spots along the beach.

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Kahalu'u Beach Park

The best beginner snorkeling spot on the Kona Coast with a shallow reef protected by a natural breakwater. The water is calm and teeming with colorful tropical fish, sea turtles, and even the occasional octopus. Kids can stand up in most areas which makes nervous snorkelers feel safe. Lifeguards are on duty and the Kahalu u Bay Education Center provides free reef education and lends reef-safe sunscreen. The sandy beach area is good for younger kids who just want to play in the water. Restrooms, showers, and shade pavilions are available.

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Kailua Beach Park

Consistently rated one of the best beaches in America with soft white sand, turquoise water, and a gentle shore break that is perfect for kids. The water is warm and clear year-round and the beach stretches for 2.5 miles so you can always find space. Kayak rentals are available for paddling to the Mokulua Islands offshore. The park has restrooms, showers, lifeguards, and shady trees for picnics. Windsurfers and kiteboarders add entertainment for watching. The whole vibe is relaxed and family-friendly.

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Kalalau Trail (First 2 Miles to Hanakapi ai Beach)

The first two miles of the famous Kalalau Trail to Hanakapi ai Beach offer a taste of the Na Pali Coast without the full 11-mile commitment. The trail hugs dramatic cliffs above the ocean with stunning views around every corner. The trail is narrow, muddy, and has significant drop-offs so this is best for older kids who are sure-footed. The beach at the end is a beautiful reward with a wild surf and dramatic valley backdrop. Do not swim here as currents are extremely dangerous. A permit and reservation are required.

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Kalaupapa Lookout

A lookout point at the top of the world’s highest sea cliffs (nearly 3,000 feet) looking down onto the isolated Kalaupapa Peninsula far below. The view is staggering and gives kids a sense of scale that is hard to find elsewhere. The peninsula was the site of the famous Hansen disease (leprosy) settlement led by Father Damien. The lookout is accessible from Palaau State Park and requires just a short walk from the parking lot. The mule ride and hiking trail down to the peninsula are for those 16 and older.

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Kane Mountain Fire Tower

One of the shortest and easiest fire tower hikes in the Adirondacks making it ideal for younger kids or families new to hiking. The trail is just 0.6 miles one way with about 600 feet of elevation gain. The restored fire tower at the top gives views of Canada Lake, Pine Lake, and the surrounding southern Adirondack hills. The whole outing from car to summit and back can be done in under an hour which is perfect when you want a quick hiking win. The trail is well-maintained with no technical sections.

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Kapalua Coastal Trail

A stunning 3.5-mile coastal boardwalk and trail connecting several beautiful bays along Maui west shore. The trail is mostly flat and paved with sections of boardwalk over lava rock. Kids can spot sea turtles, whales in winter, and tide pool creatures along the way. Several beaches along the route offer swimming stops. Kapalua Bay at one end and DT Fleming Beach at the other are both excellent for families. This is one of the most scenic easy walks in all of Hawaii.

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Kauai Tubing Adventure

Float through old sugar plantation irrigation ditches and tunnels hand-dug over a century ago on an inner tube. The gentle current carries you through 5 tunnels, some pitch black except for your headlamp. Kids love the tunnel sections where the only light is from their own headlamp reflecting on the water. The surrounding scenery is lush and green. The water is warm and the current does most of the work so it is relaxing and exciting at the same time. This is a uniquely Kauai experience you will not find anywhere else in Hawaii.

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Ke Ala Hele Makalae (Kauai Coastal Path)

A paved multi-use path along the east coast of Kauai stretching about 4 miles from Lydgate Beach to Kapaa town and beyond. The path hugs the coastline with ocean views the entire way and passes beaches, parks, and the Kapaa town shops and restaurants. Bike rentals are available near the path. Kids love cruising along the oceanfront and stopping at beaches along the way. The path is flat and smooth, perfect for family biking. Whale watching from the path is excellent in winter. This is the most scenic bike ride in all of Hawaii.

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Kealakekua Bay State Historical Park

A marine sanctuary with crystal-clear water, incredible coral reefs, and abundant marine life that offers some of the best kayaking and snorkeling on the Big Island. Guided kayak tours cross the bay to the Captain Cook Monument where spinner dolphins are regularly seen and the snorkeling is world-class. The reef is teeming with tropical fish, eels, and sea turtles. The water clarity is exceptional. Kids who are comfortable swimming and kayaking will have one of the most memorable ocean experiences of their lives.

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Keawa'ula (Yokohama Bay)

The last beach at the end of the road on Oahu west side with a wild, remote feel that is rare on the island. The long sandy beach is backed by the Waianae Mountains and rarely crowded. Summer brings calm water suitable for swimming and snorkeling while winter waves are for watching only. The Ka ena Point trail starts nearby for families who want to hike to the actual westernmost tip of Oahu where albatross and monk seals are sometimes spotted. The sunset from here is the last one on Oahu every day.

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Kenneth L. Wilson Campground

A well-maintained Catskills campground with 76 sites surrounding a beautiful 25-acre lake with a sandy beach. The swimming area is perfect for kids and canoe and kayak rentals are available. Sites are well-spaced and shaded. The campground is centrally located for day trips to Kaaterskill Falls, Slide Mountain, and Woodstock. The combination of lakeside camping, good swimming, and easy access to top Catskill trails makes this one of the best family base camps in the region.

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Keuka Lake State Park

A family-friendly state park on the shore of Keuka Lake, one of the cleanest and most beautiful Finger Lakes. The park has a sandy beach with a gradual entry perfect for young swimmers and a campground with sites nestled in the woods. The lake water is clean and warm by midsummer. Fishing is excellent from the shore and the park has a boat launch for kayaks and canoes. Hiking trails through the surrounding hills provide lake views. It is quieter and more relaxed than the bigger Finger Lakes parks.

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Kilauea Iki Trail

A 4-mile loop that descends through lush rainforest into a volcanic crater and crosses the hardened lava lake floor. Walking across the crater floor is an otherworldly experience with steam rising from cracks in the rock and the crater walls towering above. Kids can see where the lava lake was hundreds of feet deep during the 1959 eruption. The contrast between the lush forest rim and the barren crater floor is striking. This is widely considered one of the best hikes in Hawaii and gives families a visceral connection to volcanic forces.

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Kilauea Lighthouse and Wildlife Refuge

A historic lighthouse on a dramatic cliff point that is now part of a national wildlife refuge. The views from the point are spectacular with waves crashing on the rocks below. The refuge is home to nesting seabirds including red-footed boobies, Laysan albatross, and great frigatebirds that kids can observe from close range. Humpback whales are visible from the point during winter months. The visitor center has exhibits on the wildlife and Hawaiian history of the area. It is a beautiful, peaceful spot with a lot to see in a short visit.

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Ko Olina Lagoons

Four man-made crescent-shaped lagoons with calm, protected water that is the safest ocean swimming on Oahu for young kids. The lagoons have sandy bottoms, gentle slopes into the water, and are sheltered from waves and currents. Toddlers can splash in ankle-deep water while older kids snorkel along the rock walls. Each lagoon has restrooms, showers, and some shade. Sea turtles frequently visit the lagoons which is always a thrill. Lagoons 1 and 4 are the least crowded.

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Koke'e State Park

A highland park above Waimea Canyon with over 45 miles of trails through native forest, mountain meadows, and dramatic cliff-top viewpoints. The Kalalau Lookout at 4,000 feet provides a view down into the Na Pali Coast valley that is one of the most photographed scenes in Hawaii. The Nature Trail near the museum is a flat 0.1-mile loop perfect for little ones. The Pihea Trail and Alaka i Swamp Trail offer more ambitious hikes through a primordial cloud forest. The Kokee Museum has exhibits on the natural and cultural history of the area.

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