Codorus State Park is south-central Pennsylvania's big water - 3,500 acres of rolling York County farm country wrapped around Lake Marburg, a 1,275-acre reservoir with 26 miles of convoluted, cove-riddled shoreline just outside Hanover. Marburg is the sailing and pontoon lake of the region: boats up to 20 horsepower are allowed, a full-service marina rents pontoons, kayaks, and paddleboards, and regatta sails dot the main basin all summer. Add one of the largest swimming pools in Pennsylvania's state park system, a campground with a camp store, and pavilions scattered along the coves, and you have a park that was practically drawn up for a big family weekend.
The reunion logic at Codorus starts with the pool. Lake Marburg is a boating and fishing lake rather than a swimming lake, so the park built a massive outdoor pool complex near the marina - guarded, fenced, toddler-shallow at one end - which means the swim plan never depends on water temperature or weather-stirred silt. Around it, the generations distribute themselves naturally: anglers chase bass, muskie, and crappie through the coves, the pontoon crowd rents at the marina and turns a two-hour cruise into the reunion's signature event, kids fish the shoreline and ride bikes around the campground loops, and the walkers take flat, bird-rich trails along the water. Codorus is also famous for its bald eagles - a well-watched nest has made the park a regional eagle-viewing destination.
Location keeps the guest list long. The park sits 10 minutes from Hanover (of snack-food fame - the Utz factory outlet is a mandatory stop), 30 minutes from York and Gettysburg, about an hour from Harrisburg, Lancaster, and Baltimore, and roughly 90 minutes from Washington DC - so the Maryland and Pennsylvania wings of a family meet in the middle without a hotel-lobby compromise. Entry is free, per Pennsylvania state park policy. The proven Codorus formula: a reserved cove pavilion as home base, a pontoon flotilla before lunch, the pool all afternoon, and a Gettysburg or Utz side trip for day three.
Where it is
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Things to do (with the family)
Hand-curated. Every entry links to its official source so you can plan without guessing.
Swim at the giant park pool
Codorus's outdoor pool complex near the marina is among the largest in the PA state park system - guarded, fenced, with a shallow kid end and deck space for the whole family. Modest admission, open Memorial Day to Labor Day.
Official source ↗Rent a pontoon at the Lake Marburg marina
The full-service marina rents pontoon boats, kayaks, canoes, and paddleboards - a two-hour pontoon cruise around 26 miles of coves is the classic Codorus reunion centerpiece. Motors up to 20 hp allowed lake-wide.
Official source ↗Sail the main basin
Lake Marburg is the region's sailing lake, with a sailing club presence and open water big enough for real tacking. Bring your own hull or watch the weekend sails from a pavilion with lemonade.
Official source ↗Fish the coves for bass, muskie, and crappie
Marburg's crinkled shoreline holds largemouth and smallmouth bass, muskellunge, pike, crappie, and perch. Shoreline access is everywhere and kayak anglers own the quiet coves at dawn. PA license required.
Official source ↗Watch the famous Codorus bald eagles
A long-running bald eagle nest at Codorus draws watchers from across the region - scan the lake's tall shoreline timber with binoculars, especially late winter through early summer.
Official source ↗Reserve a lakeside cove pavilion
Reservable pavilions with grills and tables sit along the day-use coves and near the marina and pool - one pavilion becomes the reunion's all-day base with water views in three directions.
Official source ↗Camp at the Codorus campground
A large campground with electric sites, a camp store, and its own pool-and-lake access sleeps the outdoor wing of the family - adjacent-site blocks on one loop are the reunion move. Reserve 11 months out.
Official source ↗Walk and bike the shoreline trails
Flat-to-rolling trails trace the lake through woods and meadows - short segments from any pavilion suit grandparents and strollers, and the campground loops are perfect for kids on bikes.
Official source ↗Ride horses on the equestrian trails
Codorus maintains a dedicated equestrian trail network through its farm-country hills - bring your own horses or book a ride at nearby stables for a novelty the kids will not stop talking about.
Official source ↗Tour the Utz factory outlet in Hanover
Hanover is Pennsylvania's snack-food capital, 10 minutes away - the Utz factory store (and the town's pretzel heritage) makes the cheapest, most crowd-pleasing side trip on the reunion schedule.
Official source ↗Day-trip to the Gettysburg battlefield
Gettysburg National Military Park is about 30 minutes west - drive the auto tour, climb the observation towers, and let the family historians hold court on Little Round Top.
Official source ↗Explore York's Central Market and factory tours
York, 30 minutes northeast, offers one of America's oldest market houses plus the Harley-Davidson plant tour - a solid rainy-day or departure-day outing.
Official source ↗Catch sunset from the Marburg dam overlooks
The open water of the main basin faces long westerly light - the day-use points near the dam end of the lake are the golden-hour photo spots for the group shot.
Official source ↗Find more things to do for your Codorus State Park, Pennsylvania reunion
The picks above are general. Inside the Reunly app, Rosi tailors local activities, meals, and printables to your actual dates, group size, ages, and budget - and saves them straight to your reunion plan.
Where to hold your reunion near Codorus State Park, Pennsylvania
Outdoor pavilions, county parks, fairgrounds, and event grounds within driving distance - places where your group can actually gather, not just visit.
Codorus State Park - Lakeside Picnic Pavilions
🏞 State ParkReservable pavilions with grills and tables along the day-use coves and near the pool-marina hub - the anchor venue for a Codorus reunion. Book through PAReservations.com up to 11 months out.
Reserve / info ↗Codorus State Park - Campground
⛺ CampgroundThe park's large campground with camp store sleeps the outdoor wing of the family minutes from the pool and marina - adjacent-site blocks on one loop are the classic reunion configuration.
Reserve / info ↗Lake Marburg Marina - Group Pontoon Rentals
📍 VenueThe full-service marina's pontoon fleet is the reunion's floating venue - book multiple boats in the same slot for a family flotilla, or stagger two-hour shifts across the day.
Reserve / info ↗Codorus Township + Hanover Area Parks
🌳 County ParkHanover-area municipal parks (Moul Field and the borough park system) rent pavilions with playgrounds and ballfields - handy overflow venues when Codorus pavilions are booked or for a second-day gathering in town.
Reserve / info ↗Gettysburg Area Inns + Event Venues
🏛 Event CenterGettysburg's hotels, historic inns, and event barns absorb reunion room blocks and host banquet nights 30 minutes from the lake - the pairing that turns a Codorus weekend into a lake-plus-history reunion.
Reserve / info ↗York County Parks - Pavilion System
🌳 County ParkYork County's parks (John Rudy, Rocky Ridge, and others) rent pavilions with big fields and playgrounds - a reliable backup venue network across the county for split-location reunion weekends.
Reserve / info ↗👥 With Reunly
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Good for
- Baltimore + south-central PA families meeting in the middle
- Boating reunions - pontoon rentals, sailing, and 26 miles of shoreline
- Groups that want a guaranteed swim (huge pool, weather-proof plan B nearby)
- Budget reunions - free entry, cheap pavilions, campground lodging
- Eagle watchers, anglers, and equestrian families
- Reunions pairing lake days with Gettysburg history
Practical logistics
- Closest Airports
- Baltimore-Washington (BWI) is about 1 hr 15 min and carries the cheap nonstops; Harrisburg International (MDT) is 1 hour; Washington Dulles and Reagan are about 1.5-2 hours.
- Drive Times
- Hanover 10 min · York 30 min · Gettysburg 30 min · Harrisburg 1 hr · Lancaster 1 hr · Baltimore 1 hr · Washington DC 1.5 hr · Philadelphia 2 hr. Route 30 and I-83 feed the park from every direction.
- Group Lodging
- Inside the park: a large electric-site campground with camp store. Outside: Hanover's hotel strip 10-15 minutes away takes room blocks, Gettysburg adds inn and hotel volume 30 minutes west, and York's I-83 corridor is 30 minutes northeast.
- Rental Companies
- Vrbo and Airbnb list farmhouses and lake-area homes around Hanover, Spring Grove, and Jefferson - groups of 8-16 fit in York County farm rentals 10-20 minutes from the park gates.
- House Size
- Hanover-area rentals run $180-350/night for 3-4 BR; larger farmhouses sleeping 10+ run $350-600/night. Hanover hotel rooms run $100-160/night; Gettysburg lodging spikes on battle-anniversary and reenactment weekends.
- Peak Season
- Memorial Day through Labor Day - pool open, marina renting, sailboats out. Summer Saturdays fill the pool deck and marina rental book early; the lake itself absorbs crowds across its 26 miles of shoreline.
- Shoulder Season
- September keeps warm pool-less lake days for boaters and anglers with empty pavilions; October wraps the coves in farm-country foliage. Late winter through spring is prime eagle-watching on the nest.
- Restaurants
- A seasonal pool concession and the campground store cover basics; otherwise grill at the pavilion. Hanover, 10 minutes away, has full grocery stores, pizza, diners, and the snack-food factory outlets.
- Kid Friendly
- Excellent - a huge shallow-ended pool, pontoon rides, shoreline fishing where bluegill bite for every kid, campground bike loops, playgrounds, and an eagle nest for the junior naturalists.
- Accessibility
- The pool complex, marina area, several pavilions, and designated campsites are ADA-accessible, with accessible fishing spots along the day-use shore. Shoreline trails are natural surface but largely gentle.
- Weather Window
- Late May through September for pool-and-pontoon season - summer days 82-90°F. September stays boatable and golden; the park is open year-round, with eagle season peaking in late winter.
- Park Fee
- Free - no entrance or parking fee at any Pennsylvania state park. The pool charges a small admission; pavilions, campsites, and marina rentals are the only other costs of a Codorus reunion.
- Official Site
- https://www.dcnr.pa.gov/StateParks/FindAPark/CodorusStatePark/
When to go
Mid-June through August delivers the full Codorus package: pool open, marina renting pontoons, sailboats on the basin, and long grill-light evenings. Reserve the pavilion and pontoons for a non-holiday Saturday - the pool and marina are the two pinch points on peak weekends. September is the shrewd alternative for boat-and-fish families: warm water, empty coves, easy reservations, and Hanover's snack outlets fully operational year-round. Eagle enthusiasts should add a late-winter scouting weekend.
Best for your group size
Small group · 10–25
Groups of 10-25 fit under one cove pavilion with a pontoon rental and a stack of pool wristbands - or skip the reservation entirely on a weekday and claim first-come tables near the marina.
Medium group · 25–60
Groups of 25-60 should reserve a large pavilion near the pool-marina hub, block a campground loop plus Hanover hotel rooms, and book two or three pontoon slots so the whole family cruises in shifts.
Large group · 60+
Groups of 60+ work well at Codorus because the day-use infrastructure is big: reserve the largest pavilion at opening day of the booking window, stagger pool and pontoon shifts, and split lodging between the campground, Hanover hotels, and Gettysburg inns. For a banquet night, Hanover and Gettysburg event rooms are within 30 minutes.
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Sample 3-day Codorus Lake Marburg family reunion
A starter agenda you can copy into Reunly's Schedule and customize for your group.
Day 1 - Arrival + Hanover provisioning
- Afternoon check-in: campground loop for the tent wing, Hanover hotels for the rest
- 4:00 PM Utz factory outlet run - snacks for the whole weekend
- 6:00 PM welcome cookout at the campground or a first-come lakeside pavilion
- 8:00 PM sunset walk on the shoreline trail and the weekend briefing
Day 2 - Pool + pontoon day (main event)
- 7:30 AM fishing derby in a quiet cove - prizes at lunch
- 10:00 AM pontoon flotilla launches from the marina in two-hour shifts
- 12:30 PM pavilion cookout - the anchor meal, derby awards, family trivia
- 2:00 PM pool afternoon for the kids; sailing watch and eagle scope at the pavilion
- 5:30 PM group photo at the dam-end overlook in golden light
- 7:00 PM potluck dinner and campfire back at the campground
Day 3 - Gettysburg morning + farewell
- 9:00 AM optional Gettysburg auto tour, 30 minutes west - or one last pool session
- 12:00 PM farewell picnic at the day-use tables
- 1:30 PM pack out - Baltimore, York, and Harrisburg crews are home by mid-afternoon
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Build the Codorus State Park, Pennsylvania reunion schedule in minutes
Drag the sample itinerary above into Reunly's Schedule, add per-event RSVPs, and share one link with the whole family. Rosi (our AI) fills in gaps from your group size and dates.
Reunion organizer tips
Reserve a pavilion near the marina-and-pool hub through PAReservations.com up to 11 months out - it puts the pool, pontoon rentals, and the cookout within one walkable triangle.
Book pontoon rentals the same week you book the pavilion - the marina fleet is the reunion's signature activity and sells out summer Saturdays. Stagger two-hour slots so every branch of the family gets a cruise.
Budget the pool into the plan - Lake Marburg is not a swimming lake, so the pool admission is the swim plan. Buy admissions in one batch and hand out wristbands at the pavilion.
Block campsites on a single campground loop for the tent-and-RV wing and a Hanover hotel block for everyone else - the two camps are 15 minutes apart.
Run the fishing derby at dawn in a quiet cove before the boat traffic builds - Marburg's crappie and bluegill guarantee action for the kids, and a muskie story for the uncles.
Assign an eagle-watch station: a spotting scope or good binoculars at the pavilion pointed at the nest timber turns waiting-for-lunch into wildlife viewing.
Make the Utz factory outlet run on day one - a few cases of factory-priced chips and pretzels supply the whole weekend and double as going-home gifts.
Schedule Gettysburg as an optional half-day, not a squeeze-in - it is only 30 minutes away and deserves a morning; the non-history crowd keeps the pool.
Stock groceries in Hanover on the way in - 10 minutes from the gates with full supermarkets - because the park store covers marshmallows, not menus.
Claim your golden-hour photo spot near the dam-end overlooks and put the group photo on the schedule - open west-facing water makes the best light of the weekend.
Have a heat plan: the pool handles the afternoon spike, but bring pop-up canopies to extend pavilion shade for the stroller-and-grandparent set.
Coordinate everything - pavilion, pontoon slots, pool wristbands, derby teams, and the Utz run - in Reunly. One shared link and the "when is our boat time?" texts answer themselves.
How Reunly helps you plan it
Reunly is the all-in-one app made for family reunion organizers. Free to start. No credit card. Cancel anytime.
Smart guest list
Drop in any spreadsheet - Rosi (our AI) reads multi-sheet, color-coded family groups, even handwritten exports. RSVP, dietary, T-shirt, paid status all in one row.
Open in Reunly →Public RSVP link
Share one link with the whole family. They RSVP per event (Friday BBQ, Saturday dinner) without making an account. You see live counts.
Open in Reunly →Budget that adds up
Track estimated vs. actual, who paid, who still owes. Auto-creates per-guest fee rows from your registration cost.
Open in Reunly →Day-by-day schedule
Friday welcome BBQ, Saturday photo, Sunday brunch - with location, meal flag, and per-event RSVPs.
Open in Reunly →Name tags + printables
Avery 5160 sheets color-coded by family, programs, welcome packets, packing lists - auto-filled from your data.
Open in Reunly →Rosi the AI helper
Stuck on a reminder email? A budget? A timeline? Click Rosi anywhere in the app - she drafts it from your live data.
Open in Reunly →Plan your Codorus State Park, Pennsylvania reunion with Reunly
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Frequently asked
Does it cost anything to get into Codorus State Park?
No - entry and parking are free, like every Pennsylvania state park. The swimming pool charges a modest admission, and pavilions, campsites, and marina rentals carry fees - but a Codorus reunion day can otherwise run on a grocery budget.
Can you swim in Lake Marburg?
No - Lake Marburg is a boating and fishing lake, and swimming happens at the park's large outdoor pool complex near the marina instead. The pool is guarded, fenced, shallow at one end, and open Memorial Day through Labor Day - arguably a more reliable family swim plan than any lake beach.
How big is Lake Marburg and what boats are allowed?
Lake Marburg covers about 1,275 acres with roughly 26 miles of shoreline. Boats with motors up to 20 horsepower are permitted, which makes Codorus the regional lake for pontoons and sailing as well as kayaks and canoes. The park marina rents pontoons, kayaks, canoes, and paddleboards in season.
How do I reserve a pavilion at Codorus for a family reunion?
Through the Pennsylvania state park reservation system at PAReservations.com, up to 11 months in advance. Pavilions near the pool and marina are the most contested for summer Saturdays - reserve the day your date is set, and book marina pontoon slots the same week.
Can a family group camp at Codorus State Park?
Yes - the park has a large campground with electric sites and a camp store, reservable through PAReservations.com. Blocking adjacent sites on one loop gives the family its own corner, and the pool and marina are minutes away.
How far is Codorus State Park from Baltimore and Washington DC?
Baltimore is about an hour and Washington DC about 90 minutes, while York and Gettysburg are 30 minutes and Harrisburg and Lancaster about an hour - which makes Codorus a genuine midpoint for families split between Maryland and central Pennsylvania.
Are the Codorus bald eagles really a thing?
Yes - a long-established bald eagle nest at the park has made Codorus one of the region's best-known eagle-viewing sites, with activity peaking from late winter through early summer. Bring binoculars or a spotting scope; sightings over the lake are common year-round.
What is there to do near Codorus if the weather turns?
Hanover's snack-food factory outlets are 10 minutes away, Gettysburg's museum and visitor center make a covered history morning 30 minutes west, and York's Central Market and factory tours are 30 minutes northeast - three solid rain plans within half an hour.
Other reunion-friendly spots nearby
Helpful planning guides
The complete family reunion checklist
12-month, 6-month, and day-of checklists organizers actually use.
Read the guide →Family reunion budget guide
How to estimate, track, and split costs without spreadsheets.
Read the guide →Family reunion on a $2,500 budget
A real budget breakdown for a destination reunion under $2.5K.
Read the guide →