
The Kartrite Resort & Indoor Waterpark
Best for families and groups who want year-round waterpark access, kids’ activities, and larger suites.
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The Kartrite Resort & Indoor Waterpark is a family-oriented, all-suite resort in Monticello with an 80,000 sq ft indoor waterpark and many on-site activities. The Alder is a 3-star Monticello hotel tied to the Resorts World Catskills area — read this if you’re deciding between a full family waterpark resort and a simpler casino-area hotel.
Updated · about 2 miles (3.2 km) apart

Best for families and groups who want year-round waterpark access, kids’ activities, and larger suites.

Best for visitors who want a straightforward hotel stay close to Resorts World Catskills and casino-area amenities.
When The Kartrite wins: Choose The Kartrite if you’re traveling with children or a larger group and want on-site entertainment (slides, arcade, ropes course), multiple dining options, and suites that often include waterpark passes.
When The Alder wins: Pick The Alder if you need a simple, comfortable 3-star hotel close to Resorts World Catskills, with basic hotel amenities like free Wi‑Fi, on-site restaurant/bar options, and free parking.
Bottom line: The Kartrite is a full-service family resort centered on the indoor waterpark and on-site activities; The Alder is a practical choice for guests who value proximity to the casino complex and a quieter, more conventional hotel stay.
| Category | The Kartrite Resort & Indoor Waterpark | The Alder |
|---|---|---|
| Overall vibe | Family-focused, activity-heavy resort centered on the waterpark and kids’ programming. | Casino-area hotel with straightforward rooms and basic guest services. |
| Location | 555 Resorts World Drive, Monticello — near regional attractions and a short drive to Resorts World Catskills. | 750 Resorts World Drive, Monticello — located at/next to the Resorts World Catskills complex. |
| Size (rooms) | 324 all-suite rooms across 7 floors. | Not published |
| Ages | All-ages resort; family-oriented waterpark and kids’ activities. | All-ages (not adults-only); suitable for general travelers and casino visitors. |
| Pools / Water features | Large indoor waterpark (~80,000 sq ft) with slides, kids’ play areas, warm pools and an outdoor pool (seasonal). | Not published (supplier listing does not show pools or a waterpark). |
| Restaurants & bars | Multiple on-site outlets (Bixby's Derby, Eat.Eat.Eat., Surfside Grille, Bar Mez, The Highline, Pop’s Sweet Shoppe, Harvey’s Wallbanger). | On-site restaurants and bar(s) listed; basic dining options available to guests. |
| Spa & wellness | Chill Spa offering massages, body treatments, wraps, nail services; 24-hour fitness center (Sweat Fitness). | Not published |
| Known for | New York's largest indoor waterpark and extensive family activities/arcade/ropes course. | Association with Resorts World Catskills and proximity to the casino complex. |
| Parking & access | Overnight parking included via nightly resort fee; car travel is primary access (near highway exit). | Car park [free of charge] and 24-hour front desk — convenient for driving guests and casino visitors. |
The Kartrite sits on Resorts World Drive in Monticello with easy drives to area attractions and roughly 30–40 minutes from Stewart International Airport.
Good if you want a resort compound with both indoor and nearby outdoor activities while staying within driving distance of regional airports.
The Alder is located at 750 Resorts World Drive, directly tied to the Resorts World Catskills area.
A practical base for casino or Resorts World activity with minimal on-site resort programming.
The Kartrite offers 324 all-suite accommodations in many family-friendly configurations.
Choose The Kartrite when you need extra beds, space for kids, or suites that include waterpark access.
The Alder lists room types including 'room' and 'Suite Deluxe King Bed'.
The Alder is suited to travelers wanting a straightforward hotel room near the casino rather than large family suites.
The Kartrite runs several on-site restaurants and casual outlets covering breakfast, poolside lunch, a coffee cafe and dessert shop.
You can eat on-site for most meals without leaving the resort, including buffet and sit-down choices tailored to families.
The Alder’s supplier listing notes restaurants and a bar are available but does not list signature venues by name.
Expect basic hotel dining on-site and a wide range of restaurant choices very nearby at the casino complex.
The Kartrite’s signature feature is its indoor waterpark — an approximately 80,000 sq ft, climate-controlled facility with slides and kids’ areas.
If water-based attractions are a priority, The Kartrite offers year-round, weather-independent fun for families.
The Alder’s supplier listing does not publish any pool or on-site waterpark information.
Don’t expect a waterpark or pool details from the supplier listing — check the hotel directly if a pool is essential.
The Kartrite includes Chill Spa and a 24-hour fitness center plus family entertainment like arcade and bowling.
The Kartrite combines a dedicated spa and fitness offerings with family-oriented evening activities.
The Alder’s supplier facts list basic amenities but do not specify a spa, fitness center, or nightlife venues on-site.
The Alder offers easy access to casino nightlife; for on-site spa or family entertainment, consult nearby properties or the casino complex.

The Kartrite — indoor waterpark, arcade, ropes course and family suites with waterpark passes.

The Alder — located at Resorts World Drive and positioned for easy casino-area visits.

The Kartrite — large selection of multi-bed suites designed for groups and families.

The Alder — straightforward 3-star hotel amenities, free parking and 24-hour front desk.
The Kartrite — it’s built around a large indoor waterpark, kids’ activities and family suites.
The Alder is located at 750 Resorts World Drive and is directly associated with the Resorts World Catskills area; The Kartrite is a short drive away.
Select room rates at The Kartrite include four waterpark passes; check your rate details and the waterpark’s operating days before arrival.
No — the supplier listing shows The Alder is not adults-only and does not list any beach access.
Explore how The Kartrite Resort & Indoor Waterpark stacks up against other hotels nearby:
vs. sites like Expedia, Hotels.com and other OTAs ·