
The Kartrite Resort & Indoor Waterpark
Best for families and groups wanting an indoor waterpark, on-site activities and multiple dining options without leaving the property.
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The Kartrite Resort & Indoor Waterpark is a large, all-suite family resort in Monticello with New York’s largest indoor waterpark; this guide is for families and groups who want an activity-filled stay. The Bradstan Boutique Hotel is a small, lakeside boutique property in Eldred for travelers who prefer a quieter, waterfront boutique experience in Sullivan County.
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Best for families and groups wanting an indoor waterpark, on-site activities and multiple dining options without leaving the property.

Best for travelers wanting a small, lakeside boutique stay with a quieter pace, a free buffet breakfast and meeting/event space in Eldred.
When The Kartrite Resort & Indoor Waterpark wins: choose The Kartrite if you want an activity-first stay — the indoor waterpark, arcade, ropes course, bowling and many family-oriented restaurants keep kids busy and make the resort a one-stop weekend for families and larger groups.
When The Bradstan Boutique Hotel wins: pick The Bradstan if you want a smaller, lakeside boutique experience with a quiet setting, direct water access (dock/boat options), a free buffet breakfast and a highly rated guest score for a low-key Sullivan County stay.
Bottom line: The Kartrite is a purpose-built family resort and entertainment complex; The Bradstan is a compact boutique hotel on Sidwell Lake. Your choice boils down to whether you want high-energy family amenities and an indoor waterpark (Kartrite) or a quieter lakeside boutique base (Bradstan).
| Category | The Kartrite Resort & Indoor Waterpark | The Bradstan Boutique Hotel |
|---|---|---|
| Overall vibe | Large, activity-driven family resort and event venue | Small, lakeside boutique hotel with a calm atmosphere |
| Location | Monticello (near Resorts World Catskills, hiking trails, regional attractions) | Eldred on Sidwell Lake with dock and walkway to water |
| Size | 324 all-suite rooms across 7 floors | 28 rooms |
| Ages / audience | All ages; family-focused (children’s pool, supervised waterpark rules) | All ages; boutique hotel (not adults-only) |
| Pools & water access | Indoor 80,000 sq ft waterpark plus outdoor seasonal pool | Outdoor seasonal pool and direct lake access (dock, boats/paddles on site) |
| Restaurants & bars | Multiple on-site outlets (Bixby's Derby, Eat.Eat.Eat, Surfside Grille, Bar Mez, Pop’s Sweet Shoppe, etc.) | One on-site restaurant (The Homestead Restaurant) and a bar/lounge |
| Spa & fitness | Chill Spa (massage, body treatments, kid spa options) and 24-hour Sweat Fitness | Spa services on site and a wheelchair-accessible fitness center |
| Known for | New York’s largest indoor waterpark and broad family activities | Lakeside boutique lodging and high guest rating |
| Meeting & event space | Extensive meeting and ballroom space (multiple ballrooms, large capacities) | Conference center and meeting room(s) suitable for smaller events |
| Accessibility & parking | Accessible suites and paths; on-site parking included with resort fee | Wheelchair-accessible features, free self parking, EV charging |
The Kartrite sits near Monticello’s leisure and gaming corridor with easy car access to regional attractions.
Good base for families wanting nearby regional attractions and easy highway access.
The Bradstan is in Eldred on Sidwell Lake, providing direct water access and a quieter, lakeside setting.
Better for travelers seeking waterfront calm and short walks to the water.
The Kartrite offers 324 all-suite layouts built for families and groups.
Choose The Kartrite for large or multi-generation groups who need space and waterpark access.
The Bradstan provides 28 air-conditioned rooms and several studio and signature suites in a boutique scale.
A compact set of room types with several studio and suite-style options for couples or small families.
The Kartrite runs multiple on-site restaurants and snack outlets with family-focused menus.
Better for guests who want variety and kid-friendly options without leaving the resort.
The Bradstan’s dining centers on The Homestead Restaurant and an on-site bar/lounge.
A straightforward, homestyle dining experience with a daily free buffet breakfast.
The Kartrite’s headline feature is an approximately 80,000 sq ft indoor waterpark plus an outdoor pool.
If an indoor waterpark is the main reason you travel, The Kartrite is the clear choice.
The Bradstan offers an outdoor seasonal pool and direct lake access with dock and small boats/paddles.
Pick The Bradstan if you prefer lakeside swimming, paddling and a quieter waterside setting.
The Kartrite supports wellness and entertainment with Chill Spa, Sweat Fitness and family evening activities.
A broad mix of wellness and family entertainment that keeps guests engaged after daylight hours.
The Bradstan lists spa services on site and a quieter evening atmosphere with a bar/lounge.
Better for low-key evenings, small events and relaxing lakeside downtime.

The Kartrite — indoor waterpark, arcade, ropes course, bowling and dedicated kids’ programming on one property.

The Bradstan — small property on Sidwell Lake with dock access, daily buffet breakfast and a calm setting.

The Kartrite — multiple restaurants and snack outlets catering to families and varied schedules.

The Bradstan — high guest rating (9.8) and personalized boutique-service feel.
The Kartrite — it’s designed around family activities and includes a large indoor waterpark and children’s amenities; its waterpark rules also require adult supervision.
The Bradstan — it sits on Sidwell Lake and has a walkway to the water plus on-site boats and paddles.
At The Kartrite, select room rates include four waterpark passes; The Bradstan’s listing does not indicate included paid-activity passes (it does offer free buffet breakfast).
The Kartrite — it has large ballrooms and extensive meeting space for groups and weddings; The Bradstan offers smaller conference and meeting facilities suited to modest events.
Explore how The Kartrite Resort & Indoor Waterpark stacks up against other hotels nearby:
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