Founders Park
The verdict on Founders Park
- Who it suitsFamilies and groups who want a full day with a calm shallow beach, a pool, a water playground and sports courts in one place, rather than a wild natural shore.
- Best spotThe roped swimming area on the calm bay beach for young children, with the Olympic pool nearby for a proper swim or dive.
- One thing to knowThere is an entry fee for non residents and the beach is small with shallow bay water, so come for the facilities, not for natural sand.
Published 23 May 2026. Last reviewed 23 May 2026
Founders Park is the answer when the family cannot agree on a beach. It is a large community park at mile marker 87 on Plantation Key, on the calm bay side of Islamorada, and rather than a single great beach it gives you a whole day of options in one gated place. The beach is small and the bay water shallow, so we will not oversell the swim, but the breadth of what is here, from an Olympic pool to a marina to sports courts, makes it one of the most useful family spots in the Upper Keys.
The beach is a manicured shallow water stretch on Florida Bay with a roped swimming area, calm and gentle and ideal for young children to wade and float. Where it earns its place is everything around it. There is an Olympic size pool with a diving well, a rarity this far south, a zero depth water playground for toddlers, playgrounds, tiki huts, grills and picnic tables, a sand volleyball court, lighted tennis and pickleball courts, sports fields, walking trails and a marina. Children of different ages can each find their thing, which is the whole point.
The honest notes are the cost and the nature of the swim. There is an entry fee for non residents, charged per person, while Islamorada residents enter free with a pass, and the pool usually carries its own separate charge, so a family day adds up and the exact rates are best confirmed before you go. The bay water is shallow and calm rather than clear and deep, so this is an easy family swim and a facilities day, not a snorkel beach. For natural sand and clearer water you head down the chain.
Come to Founders Park for the pool, the calm family beach and the run of facilities in Islamorada. For a free natural picnic and wade nearby see Anne's Beach, for the best free town beach down the chain see Sombrero Beach in Marathon, and for the one great natural beach in the Keys see Bahia Honda State Park. For verified day options use our Florida Keys beach clubs directory.
Facilities at Founders Park
Founders Park is a community park rather than a private beach club, and we never invent venues, prices or status. The pool, marina and courts are run by the park, with entry and pool fees and opening hours that change through the season, so anything we cannot verify we list as to be confirmed. For verified day options with full beach club service, use the Florida Keys beach clubs directory.
Olympic pool and water playground
The park aquatic center has an Olympic size pool with a diving well, a rarity this far south, plus a zero depth water playground for toddlers, so swimmers of every age are covered. The pool carries a separate fee and seasonal hours, so we list the rates as to be confirmed and point you to verified details rather than inventing any.
Marina, courts and picnic huts
A marina gives access to the water for boating, while tiki huts, grills, picnic tables, a sand volleyball court and lighted tennis and pickleball courts round out a full family day on land. Availability and any fees vary by season, so we keep them as to be confirmed.
Founders Park, Islamorada, Florida Keys
Founders Park sits at mile marker 87 on Plantation Key, on the bay side of the Overseas Highway in Islamorada, in the Upper Keys, with its own parking inside the gate. Stop at the entrance to pay the non resident fee per person, or show a resident pass, and note that the Olympic pool is usually a separate charge. Arrive earlier on busy weekends and holidays for parking and a good spot on the small beach, especially through the dry winter season.
Pack for a facilities day rather than a wild beach, with swimwear for both the bay and the pool, strong reef safe sunscreen, and shade, though the tiki huts and trees offer some natural cover. Bring food for the grills and picnic tables or buy nearby, plus a little cash or a card for the fees. Keep a watch on children in the shallow bay and around the pool, check which facilities are open on the day, and treat the calm and clarity as typical rather than guaranteed.
Plan a beach day near Founders Park
Send your details and we will help arrange a beach day, a family outing or a watersport session near Founders Park and around Islamorada. We confirm current rates and availability with the operator before you commit. Nothing is charged here.
Founders Park FAQ
Is Founders Park worth visiting in Islamorada?
Yes, if you want a full family day rather than a wild natural beach. Founders Park is a large community park on Plantation Key with a calm bay beach, an Olympic size pool, a marina, playgrounds and courts, so there is more to do here than at most Keys beaches. The beach itself is small and the water shallow, so come for the facilities and the easy family swim, and go to Bahia Honda for natural sand.
Is there an entrance fee for Founders Park?
Yes, there is an entry fee for non residents of Islamorada, charged per person with a lower rate for youth and seniors, while residents enter free with a pass. The Olympic pool typically carries its own separate charge. Exact rates change, so confirm the current entry and pool fees with the park before you go, and we list anything we cannot verify as to be confirmed.
Can you swim at the Founders Park beach?
Yes, there is a manicured shallow water beach with a roped swimming area on the calm Florida Bay side, which is gentle and well suited to families and young children. The bay water is shallow and calm rather than clear and deep, so it reads as an easy family swim rather than a snorkel beach. There is also the Olympic pool if you want a proper lap or dive, with its own fee.
What facilities are at Founders Park?
A great deal for the Keys. Alongside the bay beach there is an Olympic size pool with a diving well, a zero depth water playground, a marina, tiki huts, picnic tables and grills, a sand volleyball court, playgrounds, lighted tennis and pickleball courts, sports fields and walking trails. Hours and which facilities are open vary by season, so confirm the day's details with the park before you visit.
Where is Founders Park?
Founders Park is at mile marker 87 on Plantation Key in Islamorada, on the bay side of the Overseas Highway in the Upper Florida Keys. It is a large community park with its own parking, easy to reach on the drive through the islands. Aim to arrive earlier on busy weekends and holidays for parking and a good spot on the small beach, especially in the dry winter season.
Is Founders Park good for families?
Yes, it is one of the most family friendly spots in the Upper Keys, precisely because it bundles a calm shallow beach, a pool, a water playground, playgrounds and sports courts in one place, so children of different ages all have something to do. Treat the swimming conditions as typical rather than guaranteed, keep a watch on children, and check which facilities are open on the day.