Sylvan Lake Beach Park Inc
Hopewell Junction, New York · on Sylvan Lake
Verified · 3 independent sources
- WATER
- lake
- ACCESS
- Designated swim area
- FEE
- $60/night
- SEASON
- Best in summer
About Sylvan Lake Beach Park Inc
Sylvan Lake Beach Park is a family-owned campground in Hopewell Junction, NY (Dutchess County) built around a private beach on the spring-fed, roughly 100-acre Sylvan Lake. It has operated for over 70 years across three generations of the same family, offering a designated seasonal swimming hole on a genuine lake to swim in, plus boating, kayaking, and catch-and-release fishing.
The 65-acre wooded campground sits on Sylvan Lake in the Hudson River Valley of Dutchess County, about 20 minutes from Beacon and Poughkeepsie and roughly 90 minutes from New York City. The lake bans gas-powered motors, and the property is described by its operators as a quiet, wooded, lakefront setting geared toward relaxation rather than crowds.
Swimming at Sylvan Lake Beach Park Inc
Swimming takes place at a private lake beach on Sylvan Lake and is officially designated as running from Memorial Day through Labor Day. Access is limited to registered overnight campers (tent or RV) rather than the general public - the campground states it is 'closed for day use, campers only.' Boating (non-motorized/electric only), kayaking, and catch-and-release fishing are also permitted on the lake through the full camping season.
How to get to this swimming hole
Located at 18 McDonnells Ln, Hopewell Junction, NY 12533; about a 20-minute drive from Beacon and from Poughkeepsie, reachable by car or train per the campground's own site.
The walk in
No real hike here. The water is a short walk from where you park. This is a drive-up private campground beach on Sylvan Lake - guests walk from their campsite to the lakefront beach, no trail or hike is involved.
Plan your visit
Bringing kids
OK with supervision
It's a designated seasonal (Memorial Day-Labor Day) lake beach with a nearby playground, but no source confirms lifeguards, marked shallow zones, or water depth at the beach, and access is limited to registered campers rather than a supervised public swim area.
Parking
Available
No day-use/visitor parking exists since the park is 'closed for day use, campers only' - registered campers park at or near their own tent/RV site. No separate parking fee or lot location was published.
Restrooms
Yes
Campground restrooms/showers are on-site; one visitor review on Campendium specifically praised them as 'very clean.' No exact building location was published beyond being part of the general campground facilities.
Hours
No daily operating hours are published. The campground/beach operates seasonally: camping season is May 1-September 30, with the designated swim season running Memorial Day through Labor Day. The property is closed to day-use visitors - access is restricted to registered overnight campers only.
On the water
Restrictions: No gas-powered boat motors permitted on Sylvan Lake (per campground policy). Lake/beach access of any kind is limited to registered overnight campers - there is no public or day-use launch.
The official site describes 'lake access for swimming, boating, and fishing' for campers but does not itemize paddleboards; none of the reviews found mention paddleboarding specifically.
What regulars say
Campers describe the restrooms and showers as 'very clean' and note a small playground for kids, but one felt there was 'not a whole lot to do in this area' and another called it 'overpriced for average, at best, park' (nightly rates reported in the $45-$80 range, most recently around $50/night). Multiple campers also flagged aggressive warning signage from a neighboring property owner as a negative part of the visit. One seasonal note: a visitor reported the lake was 'closed to swimming this time of year but open for fishing and boating' outside the Memorial Day to Labor Day swim window, confirming the seasonal restriction is enforced in practice.
Backstory
Family-owned and operated for more than 70 years across three generations, per the campground's own about-us page.
Sylvan Lake Beach Park Inc: FAQ
Does Sylvan Lake Beach Park Inc charge a fee?
No day-use or swim-only fee is offered - the beach is only accessible to paying overnight guests. Published camping rates: tent sites from $60/night (premium site $70/night, Plateau $65/night or $390/week); RV full-hookup sites $70/night or $390/week, Lakeview $85/night, Lakeside $95/night. Season runs May 1 to September 30; maximum tenting stay is one week.
Is Sylvan Lake Beach Park Inc kid friendly?
It's a designated seasonal (Memorial Day-Labor Day) lake beach with a nearby playground, but no source confirms lifeguards, marked shallow zones, or water depth at the beach, and access is limited to registered campers rather than a supervised public swim area.
Do I need to hike to reach Sylvan Lake Beach Park Inc?
No significant hike is required. The swimming area is close to parking and access.
Where do I park for Sylvan Lake Beach Park Inc?
No day-use/visitor parking exists since the park is 'closed for day use, campers only' - registered campers park at or near their own tent/RV site. No separate parking fee or lot location was published.
Can I bring a kayak or paddleboard to Sylvan Lake Beach Park Inc?
The official site describes 'lake access for swimming, boating, and fishing' for campers but does not itemize paddleboards; none of the reviews found mention paddleboarding specifically.
When is the best time to visit Sylvan Lake Beach Park Inc?
Summer - the campground's official swim season runs Memorial Day through Labor Day, within an overall operating season of May 1 to September 30.
What are the rules at Sylvan Lake Beach Park Inc?
Closed to day-use visitors - campers only. Swimming is designated for Memorial Day through Labor Day. Fishing is catch-and-release only. No gas-powered boat motors are allowed on the lake. Firewood brought into the park must originate within 50 miles per New York State DEC rules.
What water body is Sylvan Lake Beach Park Inc on?
Sylvan Lake Beach Park Inc is on Sylvan Lake, a natural lake verified in USGS hydrography data.





